CN105342672A - Medical puncture, dilation and implantation tool - Google Patents
Medical puncture, dilation and implantation tool Download PDFInfo
- Publication number
- CN105342672A CN105342672A CN201510607905.XA CN201510607905A CN105342672A CN 105342672 A CN105342672 A CN 105342672A CN 201510607905 A CN201510607905 A CN 201510607905A CN 105342672 A CN105342672 A CN 105342672A
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- CN
- China
- Prior art keywords
- expansion
- puncture
- handle
- pipe
- pin
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Classifications
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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
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B17/3421—Cannulas
- A61B17/3439—Cannulas with means for changing the inner diameter of the cannula, e.g. expandable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0218—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3468—Trocars; Puncturing needles for implanting or removing devices, e.g. prostheses, implants, seeds, wires
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pathology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention discloses a medical puncture, dilation and implantation tool. The medical puncture, dilation and implantation tool comprises an inner puncture needle, a puncture and dilation portion, an inner puncture tube, an inner puncture tube handle, an outer dilation tube, an outer dilation tube handle and an inner puncture needle handle from inside to outside. The inner puncture needle is a long and thin needle made of a solid metal material; the puncture and dilation portion is radically separable, the inner puncture needle is capable of axially penetrating the puncture and dilation portion, one end of the puncture and dilation portion is in a shape of a hollow cylinder, and a locking part is arranged on the inner wall of the puncture and dilation portion; the inner dilation tube is radically separable, the inner puncture needle is capable of axially penetrating the inner dilation tube, a second locking part is arranged at one end of the inner dilation tube, and the outer dilation tube is arranged outside the inner dilation tube; the inner puncture needle handle is connected with the other end of the inner puncture needle. By combination of puncture, dilation and implantation, functional diversity of the tool is realized, operation procedures are simplified, operation time is shortened, puncture times can be reduced, and accordingly puncture pains are relieved for patients. In addition, proper positions are designed for line connection, simplicity in operation is achieved, and great convenience is brought to operations.
Description
Technical field
The invention belongs to medical instruments field, particularly a kind of medical thrust expansion implanting instrument.
Background technology
Existing puncture, expansion, implanting instrument are separated from each other, each own respective specific purpose tool.In use, first use lancet puncture, extract pin in puncture needle, then place seal wire, remove the outer pin of puncture, then expand with convergent divergent channel, finally will the implant placed in vivo be needed to put into.This process is complicated, and step is various, and the persistent period is long, and further expansion of first puncturing, bring the puncture of secondary painful to patient.
And after the implantation, some implants need to detect its electric property or carry out preliminary electricity irritation test, so just need the electric path setting up proper security.This is all cannot realize in prior art.
Summary of the invention
Technical problem solved by the invention is: how to simplify operating procedure, shortens operating time; Reduce puncture time, reduce patient and to puncture misery; How to design suitable position and carry out circuit connection, implant is put in body by design suitable construction, and this structure simplifies, simple to operate, safe and reliable.
In order to solve the problem, technical scheme of the present invention is as follows: a kind of medical thrust expansion implanting instrument, to comprise in pin in the puncture that arranges from the inside to the outside, puncture enlarged portion, expansion in pipe, expansion pin handle in pipe handle, expansion outer tube, expansion outer tube handle and puncture, wherein
In described puncture, pin is the elongated needle-like of solid metal material, and one end is the knife face of pointed monocline, and knife face angle is not more than 45 °;
Described puncture enlarged portion radial direction is separable, and in being with the cylindric of central through hole, in described puncture, pin can axially across puncture enlarged portion; One end is hollow cylindrical, and the inwall of hollow cylindrical is provided with the first closure;
In described expansion, caliber is to separable, and in being with the cylindric of central through hole, in described puncture, pin can axially across pipe in expansion; In expansion, one end of pipe is provided with the second closure, with described first closure mating shapes, firmly connects; In expansion, the external diameter of pipe is identical with the external diameter of described puncture enlarged portion thickness; Outside in expansion, the outer wall of pipe is exposed in scope between pipe handle and expansion outer tube handle in expansion, remaining surface is provided with insulating outer layer;
In described expansion, pipe handle is arranged on the other end of pipe in expansion, is connected with its outer wall, is pulled outwardly pipe handle in expansion by footpath, and caliber in expansion can be made to being separated into two halves, to form the hollow cylindrical that diameter increases;
Described expansion outer tube is arranged on the outside of pipe in expansion, the long tubular in hollow, radial separable, one end sharp edges, and fits tightly with puncture enlarged portion;
Described expansion outer tube handle is arranged on the other end of expansion outer tube, is connected with its outer wall, is pulled outwardly expansion outer tube handle, expansion outer tube diameter can be made to being separated into two halves, forming the hollow cylindrical that diameter increases by footpath;
In described puncture, pin handle is connected with the other end of pin in puncture, moves up and down in expansion for making pin in puncture in pipe and puncture enlarged portion.
Preferably, the other end of described puncture enlarged portion is pointed, and pointed inclined-plane is identical with the knife face angle of pin in described puncture.
Preferably, the other end of described puncture enlarged portion is fillet flat-head shape.
Preferably, described first closure and the second closure are helicitic texture.
Preferably, described first closure and the second closure are snap-in structure.
Preferably, the diameter of described puncture enlarged portion central through hole is identical with the diameter of tube hub through hole in expansion.
Preferably, in described expansion, in pipe, expansion, in pipe handle, expansion outer tube, expansion outer tube handle and puncture, pin handle is stainless steel, and peripheral hardware insulating barrier; Or be HDPE material.
Preferably, in described expansion, pipe handle is integrated injection moulding connects or bonding connection with pipe in expansion.
Preferably, described expansion outer tube handle is integrated injection moulding connects or bonding connection with expansion outer tube.
Preferably, in described puncture, pin handle is U-shaped or profile of tooth, is bonding connection with pin in puncture or is connected together.
Beneficial effect of the present invention is: existing medical thrust expansion implanting instrument comprises puncture needle, seal wire, convergent divergent channel, and its operation process first uses lancet puncture, extracts pin in puncture needle, then places seal wire, removes the outer pin of puncture, then expands with convergent divergent channel; This operative process is complicated, and operating procedure is many, and operative process is long, and further expansion of first puncturing, bring secondary injury.Puncture, expansion, implantation combine by the present invention, achieve an instrument several functions, simplify operating procedure, shorten operating time, reduce puncture time, reduce patient and to puncture misery, design suitable position simultaneously and carry out circuit connection, simple to operate, bring great convenience to operation.
Accompanying drawing explanation
Fig. 1 is the sectional view of the medical thrust expansion implanting instrument of the present invention one specific embodiment;
Fig. 2 is the front view of the medical thrust expansion implanting instrument of the another specific embodiment of the present invention;
Fig. 3 is the sectional view of the medical thrust expansion implanting instrument of the another specific embodiment of the present invention;
Fig. 4 is the sectional view of the medical thrust expansion implanting instrument of another specific embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
See Fig. 1, a kind of medical thrust expansion implanting instrument, to comprise in the puncture that arranges from the inside to the outside in pin 1, puncture enlarged portion 2, expansion in pipe 3, expansion pin handle 7 in pipe handle 4, expansion outer tube 5, expansion outer tube handle 6 and puncture, wherein,
In described puncture, pin 1 is the elongated needle-like of solid metal material, and one end is the knife face of pointed monocline, and knife face angle is not more than 45 °;
Described puncture enlarged portion 2 is radial separable, and in being with the cylindric of central through hole, in described puncture, pin 1 can axially across puncture enlarged portion 2; One end is hollow cylindrical, and the inwall of hollow cylindrical is provided with the first closure 21;
In described expansion, pipe 3 is radial separable, and in being with the cylindric of central through hole, in described puncture, pin 1 can axially across pipe 3 in expansion; In expansion, one end of pipe 3 is provided with the second closure 31, with described first closure 21 mating shapes, firmly connects; In expansion, the external diameter of pipe 3 is identical with the external diameter of described puncture enlarged portion 1 thickness; Outside in expansion, the outer wall of pipe 3 is exposed in scope between pipe handle 4 and expansion outer tube handle 6 in expansion, be used for external wire or conductive clamp after the implantation, form electric path with implant, be used for carrying out conductive test and electricity irritation test etc., remaining surface is provided with insulating outer layer;
In described expansion, pipe handle 4 is arranged on the other end of pipe 3 in expansion, is connected with its outer wall, is pulled outwardly pipe handle 4 in expansion, pipe 3 radial separation in expansion can be made to be two halves by footpath, forms the hollow cylindrical that diameter increases;
Described expansion outer tube 5 is arranged on the outside of pipe 3 in expansion, the long tubular in hollow, radial separable, one end sharp edges, and fits tightly with puncture enlarged portion 2;
Described expansion outer tube handle 6 is arranged on the other end of expansion outer tube 4, is connected with its outer wall, is pulled outwardly expansion outer tube handle 6, expansion outer tube 4 radial separation can be made to be two halves, form the hollow cylindrical that diameter increases by footpath;
In described puncture, pin handle 7 is connected with the other end of pin 1 in puncture, moves up and down in expansion for making pin 1 in puncture in pipe 3 and puncture enlarged portion 2.
Further, the other end of described puncture enlarged portion 2 is pointed, and pointed inclined-plane is identical with the knife face angle of pin 1 in described puncture, ensures that puncture angle is consistent, and can not cause additional injury to puncture place.
Further, see Fig. 4, the other end of described puncture enlarged portion 2 ' is fillet flat-head shape, at this moment puncture enlarged portion can be used for implant to be pushed into required implant site, after puncture expansion completes, implant is put into expansion outer tube 5, use the puncture enlarged portion 2 ' connected together implant to be pushed with pipe 3 in expansion.
Further, described first closure 21 and the second closure 31 are helicitic texture.
Further, described first closure 21 and the second closure 31 are snap-in structure.
Further, the diameter of described puncture enlarged portion 2 central through hole is identical with the diameter of pipe 3 central through hole in expansion.
Further, in described expansion, in pipe 3, expansion, in pipe handle 4, expansion outer tube 5, expansion outer tube handle 6 and puncture, pin handle 7 is stainless steel, and peripheral hardware insulating barrier; Or be HDPE material.
Further, in described expansion, pipe handle 4 is integrated injection moulding connects or bonding connection with pipe 3 in expansion, see pipe handle 4 ' in the expansion in Fig. 2,3,4, than pipe handle 4 complex structure in the expansion in Fig. 1 some, preferred effect is, after with pin 1 puncture in puncture, in puncturing, pin 1 takes out from pipe 3 in expansion, the anesthesia pump of connection female Luer or syringe, in expansion, the upper port of pipe handle 4 ' is cambered surface taper, i.e. luer taper mouth, the two matches, convenient operation.But in the expansion shown in Fig. 1, the structure of pipe handle 4 also can realize the function connecting anesthesia pump or syringe, and Fig. 2,3,4 just gives preferred embodiment.
Further, described expansion outer tube handle 6 is integrated injection moulding connects or bonding connection with expansion outer tube 5, Figure 1 shows that expansion outer tube handle 6 structure in an embodiment, and Fig. 2,3,4 is depicted as and the expansion outer tube handle 6 ' expanded interior pipe handle 4 ' and coordinate.
Further, in described puncture, pin handle 7 is U-shaped, see Fig. 1; Or profile of tooth, see Fig. 2,3,4, be bonding connection with the interior pin 1 of puncture or be connected together.
What finally illustrate is, above preferred embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by above preferred embodiment to invention has been detailed description, but those skilled in the art are to be understood that, various change can be made to it in the form and details, and not depart from claims of the present invention limited range.
Claims (10)
1. a medical thrust expansion implanting instrument, is characterized in that, to comprise in pin in the puncture that arranges from the inside to the outside, puncture enlarged portion, expansion in pipe, expansion pin handle in pipe handle, expansion outer tube, expansion outer tube handle and puncture, wherein,
In described puncture, pin is the elongated needle-like of solid metal material, and one end is the knife face of pointed monocline, and knife face angle is not more than 45 °;
Described puncture enlarged portion radial direction is separable, and in being with the cylindric of central through hole, in described puncture, pin can axially across puncture enlarged portion; One end is hollow cylindrical, and the inwall of hollow cylindrical is provided with the first closure;
In described expansion, caliber is to separable, and in being with the cylindric of central through hole, in described puncture, pin can axially across pipe in expansion; In expansion, one end of pipe is provided with the second closure, with described first closure mating shapes, firmly connects; In expansion, the external diameter of pipe is identical with the external diameter of described puncture enlarged portion thickness; Outside in expansion, the outer wall of pipe is exposed in scope between pipe handle and expansion outer tube handle in expansion, remaining surface is provided with insulating outer layer;
In described expansion, pipe handle is arranged on the other end of pipe in expansion, is connected with its outer wall, is pulled outwardly pipe handle in expansion by footpath, and caliber in expansion can be made to being separated into two halves, to form the hollow cylindrical that diameter increases;
Described expansion outer tube is arranged on the outside of pipe in expansion, the long tubular in hollow, radial separable, one end sharp edges, and fits tightly with puncture enlarged portion;
Described expansion outer tube handle is arranged on the other end of expansion outer tube, is connected with its outer wall, is pulled outwardly expansion outer tube handle, expansion outer tube diameter can be made to being separated into two halves, forming the hollow cylindrical that diameter increases by footpath;
In described puncture, pin handle is connected with the other end of pin in puncture, moves up and down in expansion for making pin in puncture in pipe and puncture enlarged portion.
2. medical thrust expansion implanting instrument according to claim 1, it is characterized in that, the other end of described puncture enlarged portion is pointed, and pointed inclined-plane is identical with the knife face angle of pin in described puncture.
3. medical thrust expansion implanting instrument according to claim 1, it is characterized in that, the other end of described puncture enlarged portion is fillet flat-head shape.
4. medical thrust expansion implanting instrument according to claim 1, it is characterized in that, described first closure and the second closure are helicitic texture.
5. medical thrust expansion implanting instrument according to claim 1, it is characterized in that, described first closure and the second closure are snap-in structure.
6. medical thrust expansion implanting instrument according to claim 1, is characterized in that, the diameter of described puncture enlarged portion central through hole is identical with the diameter of tube hub through hole in expansion.
7. medical thrust expansion implanting instrument according to claim 1, is characterized in that, in described expansion, in pipe, expansion, in pipe handle, expansion outer tube, expansion outer tube handle and puncture, pin handle is stainless steel, and peripheral hardware insulating barrier; Or be HDPE material.
8. medical thrust according to claim 1 expansion implanting instrument, is characterized in that, in described expansion, pipe handle is integrated injection moulding with the interior pipe of expansion and connects or bonding connection.
9. medical thrust expansion implanting instrument according to claim 1, is characterized in that, described expansion outer tube handle is integrated injection moulding with expansion outer tube and connects or bonding connection.
10. medical thrust expansion implanting instrument according to claim 1, it is characterized in that, in described puncture, pin handle is U-shaped or profile of tooth, is bonding connection with pin in puncture or is connected together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510607905.XA CN105342672B (en) | 2015-09-22 | 2015-09-22 | A kind of medical thrust expands implanting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510607905.XA CN105342672B (en) | 2015-09-22 | 2015-09-22 | A kind of medical thrust expands implanting instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105342672A true CN105342672A (en) | 2016-02-24 |
| CN105342672B CN105342672B (en) | 2017-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510607905.XA Active CN105342672B (en) | 2015-09-22 | 2015-09-22 | A kind of medical thrust expands implanting instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN105342672B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106166330A (en) * | 2016-08-19 | 2016-11-30 | 杭州承诺医疗科技有限公司 | A kind of miniature detection nerve stimulator and device thereof |
| CN107812312A (en) * | 2017-10-13 | 2018-03-20 | 北京品驰医疗设备有限公司 | A kind of expanding pilot device |
| CN110192910A (en) * | 2018-02-25 | 2019-09-03 | 鄂有国 | Separation adjacent tissue type percutaneous puncture ablation device can be protected |
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| CN204600669U (en) * | 2015-04-21 | 2015-09-02 | 绍兴市人民医院 | Microtrauma puncture external member |
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2015
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Patent Citations (10)
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| WO1993025148A1 (en) * | 1992-06-16 | 1993-12-23 | Loma Linda University Medical Center | Trocar facilitator for endoscopic surgery |
| CN1662184A (en) * | 2002-06-26 | 2005-08-31 | Sdgi控股股份有限公司 | Instruments and methods for minimally invasive tissue retraction and surgery |
| DE202005018171U1 (en) * | 2005-11-22 | 2006-01-12 | Aesculap Ag & Co. Kg | Surgical retractor, comprising two expansion arms with integrated spring elements |
| US20090209913A1 (en) * | 2007-03-14 | 2009-08-20 | Elenor S.R.L. | Trocar for thoracic surgery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106166330A (en) * | 2016-08-19 | 2016-11-30 | 杭州承诺医疗科技有限公司 | A kind of miniature detection nerve stimulator and device thereof |
| CN106166330B (en) * | 2016-08-19 | 2018-07-06 | 杭州承诺医疗科技有限公司 | A kind of miniature detection nerve stimulator and its device |
| CN107812312A (en) * | 2017-10-13 | 2018-03-20 | 北京品驰医疗设备有限公司 | A kind of expanding pilot device |
| CN110192910A (en) * | 2018-02-25 | 2019-09-03 | 鄂有国 | Separation adjacent tissue type percutaneous puncture ablation device can be protected |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105342672B (en) | 2017-08-01 |
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