CN105326510A - Laparoscopic venous blood taking needle - Google Patents
Laparoscopic venous blood taking needle Download PDFInfo
- Publication number
- CN105326510A CN105326510A CN201510878551.2A CN201510878551A CN105326510A CN 105326510 A CN105326510 A CN 105326510A CN 201510878551 A CN201510878551 A CN 201510878551A CN 105326510 A CN105326510 A CN 105326510A
- Authority
- CN
- China
- Prior art keywords
- medical
- needle
- hollow needle
- blood taking
- sheath pipe
- Prior art date
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/153—Devices specially adapted for taking samples of venous or arterial blood, e.g. with syringes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150015—Source of blood
- A61B5/15003—Source of blood for venous or arterial blood
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150374—Details of piercing elements or protective means for preventing accidental injuries by such piercing elements
- A61B5/150381—Design of piercing elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/150007—Details
- A61B5/150748—Having means for aiding positioning of the piercing device at a location where the body is to be pierced
Abstract
The invention discloses a laparoscopic venous blood taking needle. The laparoscopic venous blood taking needle comprises a medical injector connector, a medical silica gel connecting tube and an operating handle. The laparoscopic venous blood taking needle is characterized in that a medical transparent protective sleeve tube with the upper end opened is arranged above the operating handle, a fixing ring is arranged in the lower end of the protective sleeve tube, and a hollow needle used for taking blood is further arranged in the protective sleeve tube; the upper end of the hollow needle is provided with a hook bending downwards, the hooked needle is arranged near the portion below an opening formed in the upper end of the protective sleeve tube, and the lower end of the hollow needle penetrates through the fixing ring at the lower end of the protective sleeve tube and then penetrates through the lower end of the operating handle to enable the distance between the operating handle and the protective sleeve tube to be 5 cm; the tail end of the portion, penetrating through the lower end of the operating handle, of the hollow needle is connected with one end of the medical silica gel connecting tube, and the other end of the medical silica gel connecting tube is connected with the medical injector connector. The laparoscopic venous blood taking needle has the advantages that the structure is simple, manufacture is easy, blood taking can be conducted on a vein blood vessel in the abdominal cavity of a patient through an endoscopy, blood taking is convenient and safe, and medical accidents are reduced.
Description
Technical field
The present invention relates to vein blood taking needle under a kind of peritoneoscope, belong to technical field of medical instruments.
Background technology
In human abdominal cavity, disease great majority are sowed by abdominal vein other organs to health and are shifted.Current domestic and international multinomial clinical research is reached a conclusion, detection by taking digestive tract tumor's proximal part venous blood (vein as upper and lower in mesentery and portal vein etc.) to carry out the project such as tumor markers and tumor cell in abdominal operation, there is very high sensitivity and specificity, to the prognosis of tumor and follow-up treatment, there is guiding significance.Traditional method extracts intraperitoneal venous blood, all directly to be punctured to the vein of patient by common vein blood taking needle by operative doctor when abdominal and extracts blood.Current laparoscopic surgery is because wound is little, and patient's post-operative recovery is fast, extensively carries out in abdominal surgery field, at gastric tumor, and the application of Surgery For Colorectal Neoplasm maturation.Carry out detecting in view of taking digestive tract tumor's proximal part venous blood in abdominal operation and there is important clinical meaning, set up and under full-fledged peritoneoscope venous blood collection technology extremely urgent.Clinician takes traditional blood drawing mode to have very large technological challenge under peritoneoscope, because operate the visual angle that doctor loses direct-view under peritoneoscope, complete under need being guided by the two dimensional surface of monitor and puncture and draw blood, namely operate the sense of touch that doctor loses hand relies on needle forceps clamp puncture needle to puncture simultaneously, the accuracy of location is not high, paracentesis depth is difficult to hold, make whole operating process become abnormal difficult, easily concurrently run through blood vessel, tear the severe complication such as blood vessel and unmanageable massive hemorrhage.Therefore need to find piercing method under a kind of simple and easy to do peritoneoscope, and the technology of key is exactly to use vein blood taking needle under a kind of special peritoneoscope.But existing vein blood taking needle all can not adapt to the venous blood collection under peritoneoscope.Therefore the blood taking needle of a kind of applicable abdominal vein blood sampling is provided, make abdominal vein take a blood sample convenient, fast, accurate,
Ensureing the safety of abdominal vein blood sampling, is necessary.
Summary of the invention
The object of this invention is to provide vein blood taking needle under a kind of peritoneoscope, under making peritoneoscope, take venous blood more convenient, quick, accurate, under overcoming current peritoneoscope, take venous blood difficulty large, operate loaded down with trivial details, the deficiency of easy Accompanied injuries venous patient blood vessel.
In order to realize above-mentioned object, vein blood taking needle under peritoneoscope provided by the invention, comprises injector for medical purpose interface, medical silica-gel connection tube and operating grip, it is characterized in that: the top of described operating grip is provided with the medical transparent sheath pipe of upper end open; In described medical transparent sheath pipe lower end, ring for fixing is set; The hollow needle for taking a blood sample also is provided with in this medical transparent sheath pipe; Described hollow needle upper end is provided with decurved crochet hook, crochet hook length 5mm; Described crochet hook is located at the close beneath of medical transparent sheath pipe upper end open; The lower end of operating grip through after the ring for fixing of medical transparent sheath pipe lower end, then is passed in the lower end of this hollow needle; End through the hollow needle of operating grip lower end is connected with medical silica-gel connection tube one end, and the medical silica-gel connection tube other end is connected with injector for medical purpose interface; The length of this medical transparent sheath pipe is 30 centimetres, diameter is 0.5 centimetre.
Adopt the present invention of above-mentioned measure, owing to employing medical transparent sheath pipe, effectively can prevent pneumoperitoneum gas leakage and puncture needle damaging surrounding tissue and organ under peritoneoscope, the crochet hook of crotch is provided with at the end of blood taking needle, during blood sampling 2 dimension video picture facilities auxiliary under, by operation doctor in vitro by lever operated, use crochet hook puncture vein, arbitrarily can convert puncture angle, crochet hook length is fixed simultaneously, and paracentesis depth is easily held, easy to operate, puncture accurately, is easily taken a blood sample successfully, has the well feature such as handling.It is simple, easy to manufacture that the present invention simultaneously also has structure, takes a blood sample convenient and safe, reduces the advantage of operation Accessory injury.
Below in conjunction with accompanying drawing to the present invention's further detailed description again.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present invention.
In figure, sequence number illustrates: injector for medical purpose interface 1, medical silica-gel connection tube 2, operating grip 3, medical transparent sheath pipe 4, ring for fixing 5, hollow needle 6, crochet hook 7, protecting pipe length L1 and protecting pipe diameter L2.
Detailed description of the invention
With reference to figure 1, Fig. 1 is schematic perspective view of the present invention, be concrete structure of the present invention shown in figure, comprise injector for medical purpose interface 1, medical silica-gel connection tube 2 and operating grip 3, detailed description of the invention: the medical transparent sheath pipe 4 being provided with upper end open above operating grip 3; Arrange ring for fixing 5 in this medical transparent sheath pipe 4 lower end, the effect of ring for fixing 5 is to support hollow needle 6, allows it to enter or moves back and intercept abdominal cavity gas leakage; The hollow needle 6 for taking a blood sample also is provided with in this medical transparent sheath pipe 4; The diameter of hollow needle 6 is the puncture bloodletting needle diameter of 0.7mm-standard, and hollow needle 6 upper end is provided with decurved crochet hook 7; This crochet hook 7 is located at the close beneath of medical transparent sheath pipe 4 upper end open; The lower end of operating grip 3 through after medical transparent sheath pipe 4 ring for fixing 5, then is passed in the lower end of this hollow needle 6, and makes the distance between operating grip 3 and medical transparent sheath pipe 4 be 5 centimetres; Should be connected with medical silica-gel flexible pipe 2 one end through the end of the hollow needle 6 of operating grip 3 lower end, medical silica-gel flexible pipe 2 other end is connected with injector for medical purpose interface 1; The length L1 of this medical transparent sheath pipe 4 is 30 centimetres, diameter L2 is 0.5 centimetre.
When the present invention uses, heparin saline first need be used to rinse hollow needle 6, operate under peritoneoscope, visor be aimed at the vein needing blood sampling, medical transparent sheath pipe 4 and crochet hook 7 entirety are inserted by the vein blood vessel that need take a blood sample.During blood sampling, hold the medical transparent sheath pipe 4 in place for one, another holds operating grip 3, operating grip 3 is pushed away forward, the crochet hook 7 of hollow needle 6 upper end is made to stretch out medical transparent sheath pipe 4, the crochet hook 7 of hollow needle 6 is made to hook vein blood vessel again, tractive outward soft for crochet hook 7 can be punctured successfully according to puncture the out of shape of vein by operating grip 3 simultaneously, puncture after using syringe to connect medical silica-gel connection tube 2 by assistant successfully and extract desired blood standard as required, after having drawn blood, by operating grip 3, hollow needle 6 entirety is pushed away forward and the crochet hook 7 thrusting blood vessel can be extracted, assistant uses medical yarn to oppress point of puncture hemostasis simultaneously, the crochet hook 7 of hollow needle 6 is retracted in medical transparent sheath pipe 4, then medical transparent sheath pipe 4 entirety is extracted.
Claims (1)
1. vein blood taking needle under peritoneoscope, comprises injector for medical purpose interface (1), medical silica-gel connection tube (2) and operating grip (3), it is characterized in that: the top of described operating grip (3) is provided with the medical transparent sheath pipe (4) of upper end open; Ring for fixing (5) is provided with in described medical transparent sheath pipe (4) lower end; The hollow needle (6) for taking a blood sample also is provided with in this medical transparent sheath pipe (4); Described hollow needle (6) upper end is provided with decurved crochet hook (7), crochet hook (7) length 5mm; Described crochet hook (7) is located at the close beneath of medical transparent sheath pipe (4) upper end open; The lower end of operating grip (3) through after medical transparent sheath pipe (4) lower end ring for fixing (5), then is passed in the lower end of this hollow needle (6); End through the hollow needle (6) of operating grip (3) lower end is connected with medical silica-gel connection tube (4) one end, and medical silica-gel connection tube (2) other end is connected with injector for medical purpose interface (1); The length L1 of this medical transparent sheath pipe (4) is 30 centimetres, diameter L2 is 0.5 centimetre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510878551.2A CN105326510B (en) | 2015-12-04 | 2015-12-04 | Vein blood taking needle under laparoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510878551.2A CN105326510B (en) | 2015-12-04 | 2015-12-04 | Vein blood taking needle under laparoscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105326510A true CN105326510A (en) | 2016-02-17 |
| CN105326510B CN105326510B (en) | 2018-01-02 |
Family
ID=55277436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510878551.2A Active CN105326510B (en) | 2015-12-04 | 2015-12-04 | Vein blood taking needle under laparoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105326510B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589060A (en) * | 2017-09-30 | 2018-01-16 | 北京大学第三医院 | Digestive system tumor recovery marker evaluation system and method |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5645536A (en) * | 1990-07-04 | 1997-07-08 | Eastland Technology Australia Pty Ltd. | Parenteral device |
| CN2423869Y (en) * | 2000-01-23 | 2001-03-21 | 杨新山 | Disposable trocar |
| US20070032801A1 (en) * | 2005-08-08 | 2007-02-08 | Pantages Anthony J | Vascular suturing device |
| CN201085658Y (en) * | 2007-10-19 | 2008-07-16 | 张惠玲 | Injection trocar |
| CN201168291Y (en) * | 2008-04-01 | 2008-12-24 | 刘淑霞 | Injection needle under envelop of throat |
| CN201920789U (en) * | 2010-12-17 | 2011-08-10 | 刘玉春 | Multifunctional hook loosen needle |
| CN201987527U (en) * | 2010-12-21 | 2011-09-28 | 上海菲捷实业有限公司 | Disposable injection needle for endoscope |
| CN203988265U (en) * | 2014-02-07 | 2014-12-10 | 王洪武 | Scope universal trocar |
| CN204275012U (en) * | 2014-11-26 | 2015-04-22 | 程权 | Medical Wicresoft injection-type crochet hook |
| CN204814111U (en) * | 2015-06-10 | 2015-12-02 | 深圳市盐田区人民医院 | Disposable artifical rupture of membranes crochet hook |
| CN205338966U (en) * | 2015-12-04 | 2016-06-29 | 龙涤 | Blood sampling needle under peritoneoscope |
-
2015
- 2015-12-04 CN CN201510878551.2A patent/CN105326510B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5645536A (en) * | 1990-07-04 | 1997-07-08 | Eastland Technology Australia Pty Ltd. | Parenteral device |
| CN2423869Y (en) * | 2000-01-23 | 2001-03-21 | 杨新山 | Disposable trocar |
| US20070032801A1 (en) * | 2005-08-08 | 2007-02-08 | Pantages Anthony J | Vascular suturing device |
| CN201085658Y (en) * | 2007-10-19 | 2008-07-16 | 张惠玲 | Injection trocar |
| CN201168291Y (en) * | 2008-04-01 | 2008-12-24 | 刘淑霞 | Injection needle under envelop of throat |
| CN201920789U (en) * | 2010-12-17 | 2011-08-10 | 刘玉春 | Multifunctional hook loosen needle |
| CN201987527U (en) * | 2010-12-21 | 2011-09-28 | 上海菲捷实业有限公司 | Disposable injection needle for endoscope |
| CN203988265U (en) * | 2014-02-07 | 2014-12-10 | 王洪武 | Scope universal trocar |
| CN204275012U (en) * | 2014-11-26 | 2015-04-22 | 程权 | Medical Wicresoft injection-type crochet hook |
| CN204814111U (en) * | 2015-06-10 | 2015-12-02 | 深圳市盐田区人民医院 | Disposable artifical rupture of membranes crochet hook |
| CN205338966U (en) * | 2015-12-04 | 2016-06-29 | 龙涤 | Blood sampling needle under peritoneoscope |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107589060A (en) * | 2017-09-30 | 2018-01-16 | 北京大学第三医院 | Digestive system tumor recovery marker evaluation system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105326510B (en) | 2018-01-02 |
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| CB03 | Change of inventor or designer information |
Inventor after: Long Di Inventor after: Cheng Xueyuan Inventor after: Cai Hanzhang Inventor after: Zhang Sen Inventor after: Deng Zhongnan Inventor after: Wen Zhang Inventor before: Long Di Inventor before: Zhang Sen Inventor before: Deng Zhongnan Inventor before: Wen Zhang |
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