CN203829424U - Flexible injection needle apparatus used for hemostasis under endoscope - Google Patents
Flexible injection needle apparatus used for hemostasis under endoscope Download PDFInfo
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- CN203829424U CN203829424U CN201420243301.2U CN201420243301U CN203829424U CN 203829424 U CN203829424 U CN 203829424U CN 201420243301 U CN201420243301 U CN 201420243301U CN 203829424 U CN203829424 U CN 203829424U
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- injection needle
- trocar sheath
- joint
- steel wire
- outer sleeve
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Abstract
The utility model relates to a flexible injection needle apparatus used for hemostasis under an endoscope. According to the structure of the flexible injection needle apparatus, the lower end of a handle is communicated with one end of an inner sleeve, an injection needle head is connected with the other end of the inner sleeve, the injection needle head and the inner sleeve are arranged in an outer sleeve, a steel wire connector is communicated with the outer sleeve, a traction connector is movably connected with the steel wire connector, the traction connector is connected with a steel wire, and the steel wire penetrates into the outer sleeve through the steel wire connector, penetrates out of a penetrating hole in the outer sleeve from interior to exterior in the position, close to the injection needle head, in the outer sleeve and is connected with a connecting point, located at the injection needle head, outside the outer sleeve. The flexible injection needle apparatus overcomes the defects that an existing injection needle apparatus cannot reach a varicose vein and operation difficulty is large. The flexible injection needle apparatus is reasonable in design, ingenious and simple in conception, easy and convenient to use, capable of saving time and labor, safe and reliable; the needle head can be perpendicularly aimed at the varicose vein effectively under the endoscope within a long distance, so that the defect that view is unclear is overcome, the difficulty in injecting tissue sclerosing agents and cements under the endoscope is reduced, and scratches on veins or worsening of wounds on injection incisions is avoided.
Description
Technical field
When this utility model relates to a kind of Bleeding of Esophageal Gastric Varices for the medical apparatus and instruments of injection of tissue sclerosing agent and glue plugs cirso-, the particularly flexible injection needle assembly of a kind of Microendoscopic for stopping blooding.
Background technology
It is one of severe complication of liver cirrhosis patient that portal hypertension causes Bleeding of Esophageal Gastric Varices, and easily outbreak and conditions of patients sharply worsen, develop rapidly this disease repeatedly, amount of bleeding is large, fatality rate is high.Esophageal varicese ligation or by entry needle injection of tissue sclerosing agent and glue plugs cirso-under scope, decreases patient's mortality rate in recent years.Sclerosant and binding agent are a kind of water sample solidfied materials, the instant polymerizing curable that produces after can contacting with blood in scope injects cirso-, and occluding vascular and control cirso-are hemorrhage effectively, are the Perfected process of effectively controlling variceal bleeding.But inject sclerosant and binding agent under scope, need the injection point visual field to want clear and syringe needle to leave biopsy road opening will to have certain distance, otherwise the sclerosant of oozing out and binding agent can stop up in duct, scope, entry needle and injection process and stick together with injection place vein and coat of the stomach.
Before the present utility model, traditional entry needle is from scope hole enters varicosis mouth, doctor is subject to the limitation of the luminal stenosis position at the bottom of esophagus and stomach under scope, under scope, closely operation is too near, often the visual field is unclear, or there is no spatial rotational, cannot arrive cirso-place, operation easier is large.And remote-controlled operation cannot be from front vertical injection of tissue sclerosing agent and binding agent, its result tends to scratch vein or strengthens injection port, strengthens on the contrary the amount of bleeding of the varicosis patient at the bottom of esophagus and stomach, severe patient can jeopardize patient's life.
Summary of the invention
The purpose of this utility model is just to overcome above-mentioned defect, develops the flexible injection needle assembly of a kind of Microendoscopic for stopping blooding.
Technical solutions of the utility model are:
A kind of Microendoscopic is for the device of the flexible entry needle that stops blooding, its technical characteristics is that handle, at its lower end is connected with inner sleeve one end, injection needle connects the inner sleeve other end, injection needle, inner sleeve are in trocar sheath, wire joint is connected with trocar sheath, tractive joint is flexibly connected wire joint, tractive joint connects steel wire, steel wire passes wire joint to trocar sheath, in trocar sheath, approach injection needle place from inside to outside through passing hole out on trocar sheath, junction point outer with trocar sheath and at injection needle place is connected.
Described trocar sheath joint is connected with trocar sheath one end, in the casing joint outside of handle, at its lower end, inner sleeve, is slidably connected.
Junction point on described trocar sheath is around the quoit on trocar sheath.
Described injection needle is approaching trocar sheath port.
Described injection port, handle and trocar sheath joint form push-pull configuration.
On described tractive joint, steel wire, wire joint and trocar sheath, pass hole, quoit formation tractive structure.
Effect of the present utility model and advantage are, this Microendoscopic is reasonable in design for the apparatus structure of the flexible entry needle that stops blooding, be skillfully constructed simple, do not need very high technology just can easily the syringe needle of entry needle be rotated to suitable angle, more at a distance can be effectively by the vein of syringe needle perpendicular alignmnet varicose under scope, overcome the unclear shortcoming in luminal stenosis and the visual field, endoscopic hemostasis sclerosant and binding agent difficulty have been reduced, avoid the wound that scratches vein or strengthen injection port, reduced the painful and dangerous of patient; Use it simple to operation time saving and energy saving safe and reliable, have good clinical expansion prospect.
Other advantages of the present utility model and effect will go on to say below.
Accompanying drawing explanation
Fig. 1--this utility model structural principle schematic diagram, part section.
Number in the figure represents that each parts are as follows:
Injection port 1, tractive joint 2, inner sleeve 3, trocar sheath joint 4, injection needle 5, trocar sheath 6, steel wire 7, wire joint 8, handle 9, pass hole 10, junction point 11.
The specific embodiment
Technical thought of the present utility model is:
Technical problem to be solved is in endoscopic hematischesis process that entry needle syringe needle can not be with suitable angle injection of tissue sclerosing agent and binding agent, device that therefore must development bent injection needle syringe needle.
Illustrate this utility model below.
As shown in Figure 1:
Injection port 1 and (injection port) handle 9 lower ends are connected with inner sleeve 3 one end, injection needle 5 connects inner sleeve 3 other ends, inner sleeve 3 is in trocar sheath 6, trocar sheath joint 4 is connected with trocar sheath 6 one end, injection needle 5, inner sleeve 3 are all arranged in trocar sheath 6, injection needle 5 is close to trocar sheath 6 another port, and injection port 1 and handle 9 casing joint outside 4 interior slips, form push-pull configuration; Wire joint 8 is connected with trocar sheath 6, tractive joint 2 is flexibly connected wire joint 8, tractive joint 2 connects steel wire 7, steel wire 7 passes wire joint 8 to trocar sheath 6, at trocar sheath 6, approach injection needle 5 places from inside to outside through passing hole 10 on trocar sheath 6, be connected with trocar sheath 6 junction point 11 outer and at injection needle 5 places, this junction point 11 is quoits that are tightly centered around on trocar sheath 6 outer rings, and said structure forms tractive structure.
The explanation of this utility model application process:
Injection port handle 9 is upwards extracted out injection needle 5 is shunk back to trocar sheath 6, under gastroscope, observe cirso-, entry needle (is omitted in figure by endoscopic forceps channel hole, do not draw) arrival cirso-place, by upwards pulling tractive joint 2 to tighten up steel wire 7, steel wire 7 drops the front end of trocar sheath 6, make trocar sheath 6 front ends crooked, become suitable angle with the direction of cirso-, then driving handle 9 casing joint outside 4 interior parallel (to the right) is mobile, make injection needle 5 insert cirso-from suitable angle, from injection port 1, inject sclerosant and binding agent fast, injection finishes rear lower handle 9, handle 9 casing joint outside 4 interior parallel (left) is mobile, injection needle 5 is retracted in trocar sheath 6, unclamp tractive joint 2, discharge steel wire 7, make trocar sheath 6 front ends recover straightened condition, Safe withdrawing from gastroscope biopsy channel hole.
Claims (6)
1. a Microendoscopic is for the device of the flexible entry needle that stops blooding, it is characterized in that handle, at its lower end is connected with inner sleeve one end, injection needle connects the inner sleeve other end, injection needle, inner sleeve are in trocar sheath (6), wire joint is connected with trocar sheath, tractive joint is flexibly connected wire joint, tractive joint connects steel wire, steel wire passes wire joint to trocar sheath, in trocar sheath, approach injection needle place from inside to outside through passing hole out on trocar sheath, junction point outer with trocar sheath and at injection needle place is connected.
2. a kind of Microendoscopic according to claim 1, for the device of the flexible entry needle that stops blooding, is characterized in that trocar sheath joint is connected with trocar sheath one end, is slidably connected in the casing joint outside of handle, at its lower end, inner sleeve.
3. a kind of Microendoscopic according to claim 1, for the device of the flexible entry needle that stops blooding, is characterized in that the junction point on trocar sheath is the quoit on trocar sheath.
4. a kind of Microendoscopic according to claim 1, for the device of the flexible entry needle that stops blooding, is characterized in that injection needle is approaching trocar sheath port.
5. a kind of Microendoscopic according to claim 1, for the device of the flexible entry needle that stops blooding, is characterized in that injection port, handle and trocar sheath joint formation push-pull configuration.
6. a kind of Microendoscopic according to claim 1 is for the device of the flexible entry needle that stops blooding, it is characterized in that passing on tractive joint, steel wire, wire joint and trocar sheath hole, quoit formation tractive structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243301.2U CN203829424U (en) | 2014-05-13 | 2014-05-13 | Flexible injection needle apparatus used for hemostasis under endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420243301.2U CN203829424U (en) | 2014-05-13 | 2014-05-13 | Flexible injection needle apparatus used for hemostasis under endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203829424U true CN203829424U (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420243301.2U Expired - Fee Related CN203829424U (en) | 2014-05-13 | 2014-05-13 | Flexible injection needle apparatus used for hemostasis under endoscope |
Country Status (1)
| Country | Link |
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| CN (1) | CN203829424U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106075666A (en) * | 2016-05-31 | 2016-11-09 | 山东山大附属生殖医院有限公司 | A kind of hysteroscope endometrium entry needle |
| CN106419990A (en) * | 2016-10-27 | 2017-02-22 | 上海心玮医疗科技有限公司 | Delivery sheath body and left atrial appendage occluder delivery system |
| CN108837238A (en) * | 2018-07-13 | 2018-11-20 | 江苏省人民医院（南京医科大学第附属医院） | Hyaluronic acid injection needle |
| CN113081083A (en) * | 2021-04-19 | 2021-07-09 | 宁波市医疗中心李惠利医院 | Biological adhesive device of dosing |
| WO2023279383A1 (en) * | 2021-07-09 | 2023-01-12 | 陈韦弘 | Cavity detection and injection composite apparatus |
-
2014
- 2014-05-13 CN CN201420243301.2U patent/CN203829424U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106075666A (en) * | 2016-05-31 | 2016-11-09 | 山东山大附属生殖医院有限公司 | A kind of hysteroscope endometrium entry needle |
| CN106075666B (en) * | 2016-05-31 | 2019-12-27 | 山东大学 | Hysteroscope endometrium injection needle |
| CN106419990A (en) * | 2016-10-27 | 2017-02-22 | 上海心玮医疗科技有限公司 | Delivery sheath body and left atrial appendage occluder delivery system |
| CN108837238A (en) * | 2018-07-13 | 2018-11-20 | 江苏省人民医院（南京医科大学第附属医院） | Hyaluronic acid injection needle |
| CN108837238B (en) * | 2018-07-13 | 2023-09-01 | 江苏省人民医院（南京医科大学第一附属医院） | Hyaluronic acid injection needle |
| CN113081083A (en) * | 2021-04-19 | 2021-07-09 | 宁波市医疗中心李惠利医院 | Biological adhesive device of dosing |
| WO2023279383A1 (en) * | 2021-07-09 | 2023-01-12 | 陈韦弘 | Cavity detection and injection composite apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20160513 |