CN201930077U - Puncture needle positioning mechanism - Google Patents

Puncture needle positioning mechanism Download PDF

Info

Publication number
CN201930077U
CN201930077U CN2011200032038U CN201120003203U CN201930077U CN 201930077 U CN201930077 U CN 201930077U CN 2011200032038 U CN2011200032038 U CN 2011200032038U CN 201120003203 U CN201120003203 U CN 201120003203U CN 201930077 U CN201930077 U CN 201930077U
Authority
CN
China
Prior art keywords
puncture needle
locating support
locating
stop piece
described locating
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.)
Expired - Fee Related
Application number
CN2011200032038U
Other languages
Chinese (zh)
Inventor
徐草
唐粲
程胜
张建伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Industrial Technology Research Institute Co Ltd
Original Assignee
Kunshan Industrial Technology Research Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunshan Industrial Technology Research Institute Co Ltd filed Critical Kunshan Industrial Technology Research Institute Co Ltd
Priority to CN2011200032038U priority Critical patent/CN201930077U/en
Application granted granted Critical
Publication of CN201930077U publication Critical patent/CN201930077U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Surgical Instruments (AREA)

Abstract

The utility model discloses a puncture needle positioning mechanism, which comprises a guiding sleeve, a positioning support, a positioning barrier, a stopper and a positioning clamping seat. The guiding sleeve is detachably fixed to the front end of the positioning support, and an axial through hole is disposed in the center of the guiding sleeve. The positioning support is a hollow tubular structure, and four chutes are arranged on the outer wall of the positioning support. The positioning barrier is positioned inside the positioning support, and a tightening bolt penetrates through the chutes on the lower side of the positioning support to be detachably fixed to the positioning barrier. When the puncture needle positioning mechanism is used, the movement distance of the stopper which is fixed to a puncture needle can be controlled by means of adjusting the distance from the positioning barrier to the rear end of the positioning support by the aid of the tightening bolt, puncturing depth of the puncture needle further can be controlled, and accordingly the puncture needle is positioned.

Description

A kind of puncture needle detent mechanism
Technical field
The application relates to the armarium technical field, particularly relates to the detent mechanism that a kind of puncture needle that is used for minimally-invasive surgery robot system positions.
Background technology
Along with development of science and technology, Minimally Invasive Surgery can adopt robot to operate, compare with doctor's manual operations, robot can improve the accuracy of operation by the accurate location of machinery, reduce the incidence rate of operation risk and minimizing post-operative complication, and in some special occasions, can also reduce radiological detriment the doctor.
But micro-wound operation robot still is in development at present, clinically, when existing minimally-invasive surgery robot system punctures when needs, its control to the lancet puncture degree of depth often relies on doctors experience and feel merely, and does not have precise mechanism demonstration and guiding doctor to control the degree of depth of puncture.This greatly reduces a whole set of surgery systems precision, has also hindered the paces of Minimally Invasive Surgery to the automation direction development.Therefore need badly and a kind ofly when puncture, can put the robot detent mechanism of the dependence of doctors experience and feel.
The utility model content
In view of this, the embodiment of the present application provides a kind of puncture needle detent mechanism, is used for minimally-invasive surgery robot system, to solve existing minimally-invasive surgery robot system when puncturing, can't accurately locate paracentesis depth
To achieve these goals, the technical scheme that provides of the embodiment of the present application is as follows:
A kind of puncture needle detent mechanism is used for the puncture needle of minimally-invasive surgery robot system is positioned, and comprising: fairlead, locating support, locating stop piece, block and location holder, wherein:
Described fairlead is a column structure, removably is fixed on the front end of described locating support, and is provided with the axially extending bore that can hold puncture needle at the center of described fairlead;
Described locating support is a hollow tubular structure, and the outer wall of described locating support is provided with four chutes of circumference five equilibrium with described locating support, and the bearing of trend of described four chutes parallels with the axis of described locating support;
Described locating stop piece is positioned at described locating support, and its center is provided with through hole, and described locating stop piece is provided with two symmetrical card posts, and described two card posts are by passing in two chutes about on the described locating support;
The axially extending bore that puncture needle passes on the described fairlead stretches into described locating support inside, and passes the through hole on the locating stop piece, and described block is fixed on puncture needle and passes on the end of locating stop piece;
Described locating clip seat is positioned at the described locating support outside, and it is provided with elasticity bolt, and it is detachably fixing that described elasticity bolt passes the chute and the described locating stop piece of described locating support below.
Preferably, this puncture needle detent mechanism further comprises: arrow, described arrow is positioned at the described locating support outside, and the chute and the described locating stop piece that pass above the described locating support are detachably fixing, and the chute both sides of described locating support top are provided with graduation apparatus.
Preferably, described fairlead is made up of two half-cylindrical fairlead components that are separated from each other.
Preferably, an end that fixes with described fairlead on the described locating support is provided with degree of tightness hoop and elasticity bolt, and described fairlead and described locating support are removably fixing by described degree of tightness hoop and elasticity bolt.
Preferably, described locating support is made up of two semicircular arc locating supports that fasten mutually.
Preferably, the two ends of described two semicircular arc locating supports are respectively arranged with two junction buttons, and described two semicircular arc locating supports fix by four junction buttons.
Preferably, described locating stop piece is made up of two semicircle locating stop pieces that are separated from each other.
Preferably, described two semicircle locating stop pieces that are separated from each other are connected by pin.
By above technical scheme as seen, in this puncture needle detent mechanism that the embodiment of the present application provides, locating support is a hollow structure, is fixed with the wire sleeve that the center is provided with axis through bore at the front end of locating support, is provided with locating stop piece in locating support; The locating stop piece center is provided with through hole, and locating stop piece is provided with two card posts that stretch out two chutes about locating support; The locating clip seat is positioned at the outside of locating support, and fixes by chute and the locating stop piece that elasticity bolt passes locating support below, and the adjusting elasticity bolt can be so that locating stop piece and location holder clamping and positioning support.This puncture needle detent mechanism stretches into locating support inside with puncture needle by fairlead before use, and puncture needle fixes at the end and the block that pass the locating stop piece through hole.In use,, just can control the move distance of the block that fixes with puncture needle, and then can control the paracentesis depth of puncture needle, promptly realize puncture needle is positioned by the distance that elasticity bolt is regulated locating stop piece and locating support rear end.
Delicate structure compactness in this puncture needle detent mechanism, volume is less, does not need other mechanisms of minimally-invasive surgery robot system are improved and can install and use.In addition, in this puncture needle detent mechanism, fairlead, locating support and locating stop piece are dismountable two-part structure, and also removably connect between location holder and the locating stop piece, can Fast Installation or installation, conveniently use.
In addition, this puncture needle detent mechanism also is provided with arrow, and it is detachably fixing that arrow passes the chute and the locating stop piece of locating support top, and the chute both sides above locating support are provided with graduation apparatus.In use, match with graduation apparatus, can control distance between locating stop piece and the locating support rear end exactly so that the doctor is convenient, and then can accurately control the paracentesis depth of puncture needle by arrow.
Description of drawings
In order to be illustrated more clearly in the embodiment of the present application or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, the accompanying drawing that describes below only is some embodiment that put down in writing among the application, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the detent mechanism that Fig. 1 provides for the embodiment of the present application;
The partial structurtes sketch map of the detent mechanism that Fig. 2 provides for the embodiment of the present application;
The structural representation of the locating support that Fig. 3 provides for the embodiment of the present application;
The structural representation of the junction button that Fig. 4 provides for the embodiment of the present application.
The specific embodiment
In order to make those skilled in the art person understand technical scheme among the application better, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
The structural representation of the detent mechanism that Fig. 1 provides for the embodiment of the present application.
As shown in Figure 1, this puncture needle detent mechanism comprises: fairlead 1, locating support 2, locating stop piece 3, block 21 and location holder 12, wherein: fairlead 1 is fixed on the front end of locating support 2, locating stop piece 3 is positioned at the inside of locating support 2, location holder 12 is positioned at the outside of locating support 2, and fixes with locating stop piece 3.
Fairlead 1 is a column structure, and the center of fairlead 1 is provided with the through hole that can hold puncture needle, and through hole parallels with the axis of fairlead 1, and connects whole fairlead 1, as shown in Figure 2.In the embodiment of the present application, fairlead 1 is made up of two half-cylindrical fairlead components that are separated from each other, and is respectively the first fairlead component 6 and the second fairlead component 7.In order to make fairlead 1 and locating support 2 fixations, in the embodiment of the present application, fairlead 1 has annular ridge with the end arranged outside that locating support 2 fixes in addition.
The structural representation of the locating support that Fig. 3 provides for the embodiment of the present application.As shown in Figure 3, the structure of locating support 2 is a hollow tubular structure, and the outer wall of locating support is provided with four chutes, and these four chutes are with the circumference five equilibrium of locating support 2.In the embodiment of the present application, locating support 2 is made up of two semicircular arc locating supports that fasten mutually, be respectively the first semicircular arc locating support 14 and the second semicircular arc locating support 15, and have two chutes to be positioned at this two contacted positions of semicircular arc locating support in four chutes.In addition, be respectively arranged with two junction buttons 4 at the two ends of locating support 2, as shown in Figure 4, the structural representation of the junction button that provides for the embodiment of the present application, each junction button 4 is formed by two connection fasteners, is respectively first connection fastener 17 and second connection fastener 18, junction button 14 fixes by screw 19 and locating support 2, and be provided with shell fragment button 20 between two connection fasteners, by the button 20 that pushes shrapnel, just can be so that two connection fasteners are separated.
The front end outer wall of locating support 2 is provided with degree of tightness hoop 22 and elasticity bolt 16, degree of tightness hoop 22 can with locating support 2 one, also can be separated with locating support 2, the effect of degree of tightness hoop 22 and elasticity bolt 16 is that two fairlead components are fixed together, and fairlead 1 and locating support 2 are fixed together.
As shown in Figure 1, locating stop piece 3 is positioned at the inside of locating support 2, center at locating stop piece 3 is provided with through hole, arranged outside at locating stop piece 3 has two symmetrical card posts, and these two card posts pass by connecting about on the locating support 2 in the chute, the effect of two card posts be make locating stop piece 3 can be in locating support 2 moving linearly.
As shown in Figure 2, the through hole that puncture needle 5 passes on the fairlead 1 extend in the locating support 2, and puncture needle 5 passes the through hole on the locating stop piece 3, block 21 is fixed on an end that passes through hole on the locating stop piece 3 on the puncture needle 5, and the cross-sectional area of block 21 is less than the internal diameter cross-sectional area of locating support 2, cross-sectional area greater than through hole on the locating stop piece 3, its effect is that operation stroke limiting with puncture needle 5 is between locating stop piece 3 and locating support 2 rear ends, by regulating the distance between locating stop piece 3 and locating support 2 rear ends and then the paracentesis depth of puncture needle 5 being positioned.
With reference to figure 1, as shown in Figure 2, location holder 12 is positioned at the outside of locating support 2, and location holder 12 is provided with elasticity bolt 13, elasticity bolt 13 passes the chute of locating support 2 upper and lowers, and detachably fixing with locating stop piece 3, by regulating elasticity bolt 13, can be so that locating stop piece 2 and location holder 12 clamping and positioning supports 2 promptly can position location holder 12 and locating stop piece 3.
This puncture needle detent mechanism that the embodiment of the present application provides before use, as shown in Figure 1, this puncture needle detent mechanism in use, regulate the distance of locating stop piece 3 and locating support 2 rear ends, tighten elasticity bolt 13 then, make locating stop piece 3 and location holder 12 clamping and positioning supports 2, and make the block 21 on the puncture needle 5 be positioned at the rear end of locating support 2.Like this when puncture needle 5 in when motion, because the effect of block 21, make the move distance of puncture needle 5 equal the distance between locating stop piece 3 and locating support 2 rear ends, therefore can accurately control the move distance of puncture needle 5, promptly can the paracentesis depth of puncture needle 5 be positioned.
For distance between quick measurement and positioning catch 3 and locating support 2 rear ends, as depicted in figs. 1 and 2, in other embodiment of the application, this puncture needle detent mechanism also comprises: arrow 8, arrow 8 is positioned at the outside of locating support 2, and the chute and the locating stop piece 3 that pass locating support 2 tops detachably are fixed together, and in addition, the chute both sides above locating support 2 are provided with graduation apparatus.Like this when need to regulate between locating stop piece 3 and locating support 2 rear ends apart from the time, just can directly measure fast by arrow 8 and graduation apparatus, make things convenient for locating stop piece 3 is positioned.
By above technical scheme as seen, in this puncture needle detent mechanism that the embodiment of the present application provides, locating support is a hollow structure, is fixed with the wire sleeve that the center is provided with axis through bore at the front end of locating support, is provided with locating stop piece in locating support; The locating stop piece center is provided with through hole, and locating stop piece is provided with two card posts that stretch out two chutes about locating support; The locating clip seat is positioned at the outside of locating support, and fixes by chute and the locating stop piece that elasticity bolt passes locating support below, and the adjusting elasticity bolt can be so that locating stop piece and location holder clamping and positioning support.This puncture needle detent mechanism stretches into locating support inside with puncture needle by fairlead before use, and puncture needle fixes at the end and the block that pass the locating stop piece through hole.In use,, just can control the move distance of the block that fixes with puncture needle, and then can control the paracentesis depth of puncture needle, promptly realize puncture needle is positioned by the distance that elasticity bolt is regulated locating stop piece and locating support rear end.
Delicate structure compactness in this puncture needle detent mechanism, volume is less, does not need other mechanisms of minimally-invasive surgery robot system are improved and can install and use.In addition, in this puncture needle detent mechanism, fairlead, locating support and locating stop piece are dismountable two-part structure, and also removably connect between location holder and the locating stop piece, can Fast Installation or installation, conveniently use.
In addition, this puncture needle detent mechanism also is provided with arrow, and it is detachably fixing that arrow passes the chute and the locating stop piece of locating support top, and the chute both sides above locating support are provided with graduation apparatus.In use, match with graduation apparatus, can control distance between locating stop piece and the locating support rear end exactly so that the doctor is convenient, and then can accurately control the paracentesis depth of puncture needle by arrow.
The above only is the application's a preferred implementation, makes those skilled in the art can understand or realize the application.Multiple modification to these embodiment will be conspicuous to one skilled in the art, and defined herein General Principle can realize under the situation of the spirit or scope that do not break away from the application in other embodiments.Therefore, the application will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (8)

1. a puncture needle detent mechanism is used for the puncture needle of minimally-invasive surgery robot system is positioned, and it is characterized in that, comprising: fairlead, locating support, locating stop piece, block and location holder, wherein:
Described fairlead is a column structure, removably is fixed on the front end of described locating support, and is provided with the axially extending bore that can hold puncture needle at the center of described fairlead;
Described locating support is a hollow tubular structure, and the outer wall of described locating support is provided with four chutes of circumference five equilibrium with described locating support, and the bearing of trend of described four chutes parallels with the axis of described locating support;
Described locating stop piece is positioned at described locating support, and its center is provided with through hole, and described locating stop piece is provided with two symmetrical card posts, and described two card posts are by passing in two chutes about on the described locating support;
The axially extending bore that puncture needle passes on the described fairlead stretches into described locating support inside, and passes the through hole on the locating stop piece, and described block is fixed on puncture needle and passes on the end of locating stop piece;
Described locating clip seat is positioned at the described locating support outside, and it is provided with elasticity bolt, and it is detachably fixing that described elasticity bolt passes the chute and the described locating stop piece of described locating support below.
2. puncture needle detent mechanism according to claim 1, it is characterized in that, further comprise: arrow, described arrow is positioned at the described locating support outside, and the chute and the described locating stop piece that pass described locating support top are detachably fixing, and the chute both sides of described locating support top are provided with graduation apparatus.
3. according to the described puncture needle detent mechanism of claim 1, it is characterized in that described fairlead is made up of two half-cylindrical fairlead components that are separated from each other.
4. puncture needle detent mechanism according to claim 3, it is characterized in that, an end that fixes with described fairlead on the described locating support is provided with degree of tightness hoop and elasticity bolt, and described fairlead and described locating support are removably fixing by described degree of tightness hoop and elasticity bolt.
5. puncture needle detent mechanism according to claim 1 is characterized in that, described locating support is made up of two semicircular arc locating supports that fasten mutually.
6. puncture needle detent mechanism according to claim 5 is characterized in that, the two ends of described two semicircular arc locating supports are respectively arranged with two junction buttons, and described two semicircular arc locating supports fix by four junction buttons.
7. puncture needle detent mechanism according to claim 1 is characterized in that, described locating stop piece is made up of two semicircle locating stop pieces that are separated from each other.
8. puncture needle detent mechanism according to claim 7 is characterized in that, described two semicircle locating stop pieces that are separated from each other are connected by pin.
CN2011200032038U 2011-01-06 2011-01-06 Puncture needle positioning mechanism Expired - Fee Related CN201930077U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200032038U CN201930077U (en) 2011-01-06 2011-01-06 Puncture needle positioning mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200032038U CN201930077U (en) 2011-01-06 2011-01-06 Puncture needle positioning mechanism

Publications (1)

Publication Number Publication Date
CN201930077U true CN201930077U (en) 2011-08-17

Family

ID=44441620

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200032038U Expired - Fee Related CN201930077U (en) 2011-01-06 2011-01-06 Puncture needle positioning mechanism

Country Status (1)

Country Link
CN (1) CN201930077U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102949214A (en) * 2012-11-20 2013-03-06 无锡商业职业技术学院 Biopsy forceps handle
CN103830009A (en) * 2014-03-19 2014-06-04 南京医科大学第二附属医院 Puncture fixator
CN106821464A (en) * 2017-03-06 2017-06-13 宜昌市中心人民医院 Convex array probe Interventional Ultrasound paracentesis depth control device
CN107789041A (en) * 2017-10-31 2018-03-13 嘉兴复尔机器人有限公司 A kind of spinal puncture needling mechanism
CN108498141A (en) * 2017-12-11 2018-09-07 张雪松 A kind of Cardiological sting device with positioning convex platform
CN112568980A (en) * 2020-12-15 2021-03-30 航天科工智能机器人有限责任公司 Clamping device suitable for puncture needles of different models and specifications

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102949214A (en) * 2012-11-20 2013-03-06 无锡商业职业技术学院 Biopsy forceps handle
CN103830009A (en) * 2014-03-19 2014-06-04 南京医科大学第二附属医院 Puncture fixator
CN103830009B (en) * 2014-03-19 2016-02-24 南京医科大学第二附属医院 A kind of puncture fixator
CN106821464A (en) * 2017-03-06 2017-06-13 宜昌市中心人民医院 Convex array probe Interventional Ultrasound paracentesis depth control device
CN107789041A (en) * 2017-10-31 2018-03-13 嘉兴复尔机器人有限公司 A kind of spinal puncture needling mechanism
CN107789041B (en) * 2017-10-31 2024-03-19 嘉兴复尔机器人有限公司 Spinal puncture needle insertion mechanism
CN108498141A (en) * 2017-12-11 2018-09-07 张雪松 A kind of Cardiological sting device with positioning convex platform
CN112568980A (en) * 2020-12-15 2021-03-30 航天科工智能机器人有限责任公司 Clamping device suitable for puncture needles of different models and specifications

Similar Documents

Publication Publication Date Title
CN201930077U (en) Puncture needle positioning mechanism
CN205607782U (en) Testing arrangement buckles
CN208511508U (en) A kind of targeting acupuncture instrument
CN106078296A (en) A kind of fixed mechanism for wheel hub processing
CN202614662U (en) Rape stalk connecting force measuring clamp
CN201108500Y (en) Tridimensional orientation device with simple structure
CN205272937U (en) Multifunctional chalk cover
CN203824834U (en) Slider chuck of tension tester
CN201394057Y (en) Puncture needle rack
CN208896714U (en) A kind of compasses with scale
CN212996677U (en) CT positioning puncture angle guider
CN104389366B (en) A kind of point-supporting curtain universal fixture
CN108211385A (en) Starting block structure for training
CN204563251U (en) Hard film external anesthetic puncture fixture
CN201759664U (en) Orthopedic-use angle locating guide device
CN203074676U (en) Diagnosis and treatment device for department of neurosurgery
CN206414296U (en) A kind of tumour cell pathological examination puncture needle
CN102267319A (en) Drawing compass
CN208447798U (en) A kind of stereotaxic instrument
CN201870629U (en) Pain test instrument
CN204594668U (en) A kind of rocking bar test fixture
CN203263503U (en) Intrathoracic puncture fixing frame
CN203802560U (en) Minimally-invasive reset wire guide clamp
CN203681080U (en) Compass for teaching
CN204705493U (en) Mechanical adjustable positioning device for automobile accelerator pedal

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

Granted publication date: 20110817

Termination date: 20180106

CF01 Termination of patent right due to non-payment of annual fee