CN102488545A - Puncture needle for epidural space - Google Patents

Puncture needle for epidural space Download PDF

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Publication number
CN102488545A
CN102488545A CN2011104135945A CN201110413594A CN102488545A CN 102488545 A CN102488545 A CN 102488545A CN 2011104135945 A CN2011104135945 A CN 2011104135945A CN 201110413594 A CN201110413594 A CN 201110413594A CN 102488545 A CN102488545 A CN 102488545A
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CN
China
Prior art keywords
closing member
needle
nook closing
adapter sleeve
capsule
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Pending
Application number
CN2011104135945A
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Chinese (zh)
Inventor
肖国红
方锦程
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN2011104135945A priority Critical patent/CN102488545A/en
Publication of CN102488545A publication Critical patent/CN102488545A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a puncture needle for an epidural space, which comprises a needle body, a needle core and a water containing device. The needle core is sleeved in the needle body, and the water containing device is installed at the tail portion of the needle core. The tail end of the needle core is a conical body with a large lower end a small upper end, the front end of the conical body is a ring face, and a connection body and a core body are sequentially arranged at the front end of the ring face. The core body comprises a straight rod and an arc elbow at the front end of the straight rod, the needle core is provided with a longitudinal water cavity, an outer inclined plane corresponding to a through hole till the arc elbow is arranged on the water cavity at the position of the arc elbow, and a film is attached to the outer inclined plane. The water containing device comprises a connection sleeve, a silica gel capsule and a plastic capsule. The puncture needle uses continuous shrinkage of the silica gel capsule to judge whether a needle point enters the epidural space to stop punching, thereby overcoming difference in touch sensitivity of different operators, bringing great convenience to operators, lightening metal stress in operation, importantly reducing pains of repeated punch on patients and avoiding life risks of the patients caused by endorhachis punching.

Description

The cavum epidural puncture pin
Technical field
The invention belongs to medical instruments field, be specifically related to the cavum epidural puncture pin that a kind of human body epidural space position shows automatically.
Background technology
The epidural space block anesthesia of extensively carrying out at present must be carried out cavum epidural puncture.When using the needle body puncture now, falling through when relying on the anesthesia personnel to operate fully feels to judge that needle point has arrived epidural space.With along sliding glass syringe,, a small amount of normal saline is pushed subdural space then, to verify that whether the needle tip position is really at epidural space with small strength pushing syringe.
Existing operation is difficult to judge that accurately needle point has arrived epidural space.Because: this operation is to be accomplished by different anesthesia personnels, and everyone feel sensitivity is different, especially not high people to feel sensitivity, it is more difficult accurately to judge.And the patient's of all ages and classes, sex organizational structure is variant; Epidural space is very little, and is careless slightly, and just might pierce through spinal dura mater and cause puncture failure, even cause the epidural space hematoma, even threat to life.
Summary of the invention
The object of the present invention is to provide a kind of needle point that can show automatically to arrive the puncture needle of epidural space position.
The described cavum epidural puncture pin of this new technique, needle body, nook closing member, nook closing member are enclosed within the needle body, also are included in the afterbody water storage unit that is installed in nook closing member.
The tail end of said nook closing member is for going up little cone down greatly, and the front end of cone is an anchor ring, and the front end of anchor ring is followed successively by connector, core body; Core body is the circular arc elbow that straight-bar adds its front end, and vertical water flowing chamber is arranged on the nook closing member, and this water cavity is offered the outer inclined-plane of corresponding through hole to circular arc elbow from the circular arc elbow, post diaphragm on the outer inclined-plane.
Said water storage unit comprises adapter sleeve, silicon capsule, transparent plastic capsule; The transparent plastic capsule is enclosed within the outside, rear end of adapter sleeve, and the silicon capsule outer wall has scale, and the rear end that is assemblied in adapter sleeve is inner, and nook closing member is positioned at the front end of adapter sleeve; A counterbore is offered in the rear end of said adapter sleeve, and the front end face of counterbore face to adapter sleeve is offered the taper hole with the cone of nook closing member rear end coupling; A rubber slab is set in the counterbore, and a through hole that matees with cone is offered at the center of rubber slab.
The oral area of said silicon capsule is provided with the water shutoff plate, on it on corresponding rubber slab the position of through hole offer an angular cut.
Even because the different individualities difference of structure in a organized way; But some general character are arranged: the skin subcutaneous tissue particularly hydrostatic pressing of ligament tissue is very big; The hydrostatic pressing of epidural space tissue is very little; Be the hydrostatic pressing of the hydrostatic pressing of ligament tissue much larger than the epidural space tissue, the present invention utilizes this general character to show the position of epidural space.After needle body thrust the ligament tissue relative fixed, the afterbody that water storage unit is connected to nook closing member continued puncture, and the nook closing member afterbody passes rubber slab; Back down the otch on the water shutoff plate, the water in the silicon capsule just gets into the water flowing chamber on the nook closing member, because the ligament tissue hydrostatic pressing is much larger than the intravital slight pressure of pin; So the intravital normal saline of pin can not infiltrate in ligament tissue, when needle point arrived epidural space, needle point place organizational stress was close to and disappears; The diaphragm of nook closing member front end automatically springs open; Water in the water flowing chamber gets into epidural space automatically, can see dwindling of its inner silicon capsule from transparent plastic capsule outside, when silicon capsule continues to dwindle; Just inform that operator's needle point has got into epidural space, stop puncture procedure and extract nook closing member this moment.
Automatic demonstration of the present invention has overcome the difference of different operating person feel sensitivity; The accurate needle point that shows that dwindles with the capsule that is filled with water arrives epidural space; Bring great convenience to the operator; Alleviated the stress in the operating process, the more important thing is the misery that has reduced repeated localised puncture to patient, more can not pierce through spinal dura mater and bring life danger to patient.
Description of drawings
Fig. 1 looks sketch map for the master of the preferred embodiment of the present invention.
Fig. 2 is the cross-sectional schematic of the nook closing member of the preferred embodiment of the present invention.
Fig. 3 is the water storage unit cross-sectional schematic of the preferred embodiment of the present invention.
The specific embodiment
Following the preferred embodiments of the present invention.
To shown in Figure 3, the present invention includes needle body 1, nook closing member 2 and water storage unit 3 like Fig. 1; The tail end of nook closing member 2 is for going up little cone 21 down greatly, and the front end of the rear end corresponding circle cone 21 of cone 21 is an anchor ring 22, and the front end of anchor ring 22 is followed successively by connector 23, core body 24; Core body 24 is the circular arc elbow 26 that straight-bar 25 adds its front end, and vertical water flowing chamber 24 is arranged on the nook closing member 2, and this groove in the outer inclined-plane of offering through hole 25 to circular arc elbow 26, posts diaphragm 27 from circular arc elbow 26 on the outer inclined-plane; Needle body 1 is a hollow body, and the connector 23 and the core body 24 of nook closing member 2 are enclosed within the needle body 1.
Water storage unit 3 comprises that the shape of adapter sleeve 31, silicon capsule 32, transparent plastic capsule 33, two capsules is ellipse; Plastic bag 33 is enclosed within the outside, rear end of adapter sleeve 31, and silicon capsule 32 is assemblied in the inside, rear end of adapter sleeve 31; A counterbore 311 is offered in the rear end of adapter sleeve 31, and the front end face of counterbore face to adapter sleeve 31 is offered the taper hole 312 with the cone of nook closing member 2 rear ends 21 couplings; Paste a rubber slab 34 in the counterbore 312, on the rubber slab 34 on the corresponding nook closing member 2 vertically the position in water flowing chamber 24 offer a through hole 341, the size in this hole is with the tail end coupling in water flowing chamber 24; The oral area of silicon capsule 32 is provided with water shutoff plate 321, and an angular cut 322 is offered in position of corresponding rubber slab 34 upper connecting tubes 342 on it.Be glued between each part of water storage unit 3.
In silicon capsule 32, be filled with water earlier before using, water storage unit 3 is assembled; During use, nook closing member 2 is enclosed within the needle body 1 punctures earlier, diaphragm 27 is blocked the outlet in water flowing chamber 24; After treating that needle body 1 thrusts the ligament tissue relative fixed, the afterbody that water storage unit 3 is connected to nook closing member 2 continues puncture, and the cone 21 of nook closing member 2 afterbodys passes rubber slab 34; Back down the otch on the water shutoff plate 321, the water in the silicon capsule 32 just gets into the water flowing chamber 24 on the nook closing member 2, when the needle point of needle body 1 gets into epidural space; The diaphragm 27 of nook closing member 2 front ends automatically springs open, and the water in the water flowing chamber 24 gets into epidural space, can see dwindling of its inner silicon capsule 32 from transparent plastic capsule 33 outsides; When silicon capsule 32 continues to dwindle, just inform that operator's needle point has got into epidural space, extract nook closing member 2 this moment; Needle body 1 kept somewhere to anaesthetize put pipe, continue next step process of anesthesia.

Claims (4)

1. a cavum epidural puncture pin comprises needle body, nook closing member, and nook closing member is enclosed within the needle body, it is characterized in that: also comprise water storage unit, it is installed in the afterbody of nook closing member.
2. cavum epidural puncture pin as claimed in claim 1 is characterized in that: the tail end of nook closing member is for going up little cone down greatly, and the front end of cone is an anchor ring, and the front end of anchor ring is followed successively by connector, core body; Core body is the circular arc elbow that straight-bar adds its front end, and vertical water flowing chamber is arranged on the nook closing member, and this water cavity is offered the outer inclined-plane of corresponding through hole to circular arc elbow from the circular arc elbow, post diaphragm on the outer inclined-plane.
3. according to claim 1 or claim 2 cavum epidural puncture pin, it is characterized in that: said water storage unit comprises adapter sleeve, silicon capsule, transparent plastic capsule; The transparent plastic capsule is enclosed within the outside, rear end of adapter sleeve, and the silicon capsule outer wall has scale, and the rear end that is assemblied in adapter sleeve is inner, and nook closing member is positioned at the front end of adapter sleeve; A counterbore is offered in the rear end of said adapter sleeve, and the front end face of counterbore face to adapter sleeve is offered the taper hole with the cone of nook closing member rear end coupling; A rubber slab is set in the counterbore, and a through hole that matees with cone is offered at the center of rubber slab.
4. cavum epidural puncture pin as claimed in claim 3 is characterized in that: the oral area of said silicon capsule is provided with the water shutoff plate, on it on corresponding rubber slab the position of through hole offer an angular cut.
CN2011104135945A 2011-12-13 2011-12-13 Puncture needle for epidural space Pending CN102488545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011104135945A CN102488545A (en) 2011-12-13 2011-12-13 Puncture needle for epidural space

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011104135945A CN102488545A (en) 2011-12-13 2011-12-13 Puncture needle for epidural space

Publications (1)

Publication Number Publication Date
CN102488545A true CN102488545A (en) 2012-06-13

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CN2011104135945A Pending CN102488545A (en) 2011-12-13 2011-12-13 Puncture needle for epidural space

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CN (1) CN102488545A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102715937A (en) * 2012-07-03 2012-10-10 罗永温 Epidural space puncture location indicator
CN110801270A (en) * 2019-10-31 2020-02-18 中国人民解放军陆军第七十七集团军医院 A intelligent puncture drainage device for extracting hydrops

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162673A (en) * 1976-04-28 1979-07-31 The Kendall Company Method of testing the position of a needle assembly in the epidural space
CN86207375U (en) * 1986-09-22 1987-08-12 王高谭 Spring needle for extradural puncture
CN2111735U (en) * 1992-01-09 1992-08-05 阎长义 Disposable hard spine membrane external cavity negtive pressure metering tube
US5188594A (en) * 1991-07-22 1993-02-23 Michael Zilberstein Method of administering medication into epidural space
CN2325048Y (en) * 1997-04-08 1999-06-23 李运恩 Disposable point puncture locating device for epidural puncture
CN1301527A (en) * 1999-12-27 2001-07-04 房茂峰 Hard film external anesthetic puncture pressure measuring alarm needle
CN202365879U (en) * 2011-12-13 2012-08-08 肖国红 Epidural space puncture needle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162673A (en) * 1976-04-28 1979-07-31 The Kendall Company Method of testing the position of a needle assembly in the epidural space
CN86207375U (en) * 1986-09-22 1987-08-12 王高谭 Spring needle for extradural puncture
US5188594A (en) * 1991-07-22 1993-02-23 Michael Zilberstein Method of administering medication into epidural space
CN2111735U (en) * 1992-01-09 1992-08-05 阎长义 Disposable hard spine membrane external cavity negtive pressure metering tube
CN2325048Y (en) * 1997-04-08 1999-06-23 李运恩 Disposable point puncture locating device for epidural puncture
CN1301527A (en) * 1999-12-27 2001-07-04 房茂峰 Hard film external anesthetic puncture pressure measuring alarm needle
CN202365879U (en) * 2011-12-13 2012-08-08 肖国红 Epidural space puncture needle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102715937A (en) * 2012-07-03 2012-10-10 罗永温 Epidural space puncture location indicator
CN102715937B (en) * 2012-07-03 2015-01-07 罗永温 Epidural space puncture location indicator
CN110801270A (en) * 2019-10-31 2020-02-18 中国人民解放军陆军第七十七集团军医院 A intelligent puncture drainage device for extracting hydrops
CN110801270B (en) * 2019-10-31 2020-09-01 中国人民解放军陆军第七十七集团军医院 A intelligent puncture drainage device for extracting hydrops

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Application publication date: 20120613