CN201692490U

CN201692490U - Disposable use targeted introducer

Info

Publication number: CN201692490U
Application number: CN2009202113047U
Authority: CN
Inventors: 陈志麟; 曹贤明
Original assignee: Shanghai SA Medical & Plastic Instruments Co Ltd
Current assignee: Shanghai SA Medical & Plastic Instruments Co Ltd
Priority date: 2009-10-26
Filing date: 2009-10-26
Publication date: 2011-01-05
Anticipated expiration: 2019-10-26

Abstract

The utility model relates to a disposable use targeted introducer, which mainly consists of a targeted puncture needle, an introducing push rod, a guiding positioning tube and a pre-storing tube. The utility model is characterized in that the front end of a needle tube of the targeted puncture needle is provided with a needle point, and scales with fixed intervals are marked on the outer surface of the needle tube so that the puncture and the depth control can be conveniently realized. The back part of a needle seat of the targeted puncture needle is provided with a Raul locking joint, and the front end of the guiding positioning tube can be reliably connected and locked. The front end of the positioning sleeve pipe is provided with a holding claw capable of holding the inserted pre-storing tube. Both ends of the pre-storing tube are provided with convex points or elastic leaf springs or opening rings with or without elastic rods, and pre-stored objects can not slide out. The introducing push rod can pass through an inner hole of the pre-storing tube for conveniently pushing introduced objects in the pre-storing tube into a preset targeted point.

Description

Disposable use targeting inserter

Technical field

This utility model relates to a kind of being used for to the built-in medical apparatus and instruments of going into medicine or line segment of human body, and particularly it relates to a kind of for the directed disposable use targeting inserter of implanting pill, medicated line or line segment of, fascia subcutaneous to human body, muscle, acupuncture point or in-vivo tissue.

Background technology

In recent years, human body be implanted into controlled release drug or at human acupoint, it is subcutaneous that to imbed medicated line or line segment just in the ascendant with novel medical and beauty treatment technology such as treatment cancerous protuberance, epilepsy, asthma, lumbago and skelalgia or long-acting contraception, weight-reducing, execution double-fold eyelid operations, but adapt with it safe and reliable, be suitable for effectively, can satisfy the apparatus that various medicines or line segment insert and but be difficult to seek.In the prior art, what have only limits to the powder charge of trocar head, what have can only preset 1～2 pill in the sleeve pipe needle tubing, so that point of puncture only can be inserted a small amount of pill etc. and be inserted thing in a passage, and can't be applied to insert the thing occasion by what a point of puncture was under subcutaneous or fascia that fan-shaped branch is arranged into sufficient amount.Thereby have to finish whole medicine heeling-ins, increased patient's misery meaninglessly by repeatedly puncturing.And this class apparatus all can't be used to the operation of sunkening cord.And another kind of medicine inserter only can be used for acupoint burying medicated line, medicated powder or ointment, can't fully satisfy the needs that pill is inserted.

Summary of the invention

This utility model aim to provide a kind of applicable under, the fascia subcutaneous or position such as internal organs cancerous protuberance at human body insert medicine or at the acupuncture point, the subcutaneous line segment of inserting, easy to operate, accurate positioning can be avoided the disposable use targeting inserter of cross infection.

For realizing above-mentioned technical purpose, the technical solution of the utility model be disposable use targeting inserter by the targeting puncture needle, insert push rod, import positioning pipe and store pipe in advance and combine.It is characterized in that:

1. the targeting puncture needle is made of outer casing needle and lining core pin, wherein the front end of outer casing needle needle tubing has the needle point cutting edge, syringe rear end is fixedlyed connected with the needle stand front end, the needle tubing appearance indicates the scale of fixed interval, and there is an entrance hole inside of needle stand, and the one end communicates with the needle tubing endoporus, the other end links to each other with Rule taper hole of needle stand afterbody, Rule taper hole appearance is provided with sealed lug or thread, and the lining core silk of lining core pin is lining in the needle tubing endoporus, and lining core inclined-plane, silk top and needle point cutting edge inclined-plane match;

2. inserting push rod is made of push rod core and ram seat;

3. import positioning pipe and be made of locating sleeve and sealed nut, wherein the front end of locating sleeve is provided with Rule outer cone joint, and nipple tip can be provided with the gripping pawl;

4. store the Guan Weiyi hollow pipe in advance, its two end is provided with reed, salient point, convex tendon, split ring or the elastic rod that slightly protrudes in endoporus.

Technique effect of the present utility model is that the front end of the targeting puncture needle of disposable use targeting inserter has the needle point cutting edge, so that puncture enters desired area; The needle tubing surface indicate fixed interval scale in case when puncture grasp the degree of depth; The lining core silk of lining core pin is lining in the needle tubing endoporus, and lining core inclined-plane, silk top and needle point cutting edge match, to prevent the embedding of tissue when puncturing than the position, deep; Outer casing needle needle stand afterbody is provided with Rule taper hole, and appearance is provided with sealed lug or thread, adds the sealed reliable connection of screw thread with the circular cone connection or the circular cone of providing convenience.Import the positioning pipe front end and be provided with Rule outer cone joint, nipple tip is for gripping pawl, and the middle part is furnished with sealed nut, so as with the taper hole and the sealed lug of needle stand, thread is connected and lock, to set up the passage that pre-storage pipe and needle tubing reliably dock.Pre-storage Guan Weiyi hollow pipe, endoporus can be store pill or medicated line etc. in advance and insert thing, and two ends are provided with reed, salient point, convex tendon, split ring or the elastic rod that slightly protrudes in endoporus, insert skidding off of thing to prevent pill etc.; Pre-installed predetermined quantity pill or line segment etc. and inserted the pre-storage pipe of thing and pass and import the positioning pipe endoporus, the gripping pawl that can be imported into positioning pipe grips, and pre-storage pipe location is docked with the effective of needle tubing endoporus with its endoporus; Inserting the push rod core top of push rod can insert from the rear end of pre-storage pipe orifice, pushes predetermined target spot position will insert thing.Insert thing as need once inserting the above pill of multitube etc., can pull out empty pre-storage pipe, insert new pre-storage pipe, push to insert push rod again, repeat this process, can insert the thing of inserting of sufficient amount.

Description of drawings

Fig. 1 is each unit construction sketch map of the disposable use targeting of this utility model inserter.

Fig. 2 is the structural representation of this utility model targeting puncture needle.

Fig. 3 is the sketch map of inserting push rod in this utility model.

Fig. 4 is the sketch map that imports positioning pipe in this utility model.

Fig. 5 is the sketch map of pre-storage pipe in this utility model.

Fig. 6 is the sketch map of the another kind of form of pre-storage pipe in this utility model.

Fig. 7 is the sketch map of another form of pre-storage pipe in this utility model.

Fig. 8 is the sketch map of another form of pre-storage pipe in this utility model.

Fig. 9 is the another kind of needle stand structural representation of targeting puncture needle outer casing needle in this utility model.

Among the figure 1---the targeting puncture needle, 11---the outer casing needle of targeting puncture needle, 111---the needle tubing of outer casing needle, the needle point of 111a---needle tubing, 111b---the scale on the needle tubing, 112---the needle stand of outer casing needle, entrance hole in 112a---the needle stand, Rule taper hole in 112b---the needle stand, 112c---lug or thread on the needle stand, 12---the lining core pin of targeting puncture needle, 121---the lining core silk of lining core pin, the inclined-plane, top of 121a-lining core silk, 122---the lining core print seat of lining core pin, 2---insert push rod, 21---the push rod core, 22---ram seat, 3---import positioning pipe, 31---locating sleeve, 311---Rule outer cone joint of locating sleeve, 312---the vertical gripping pawl of locating sleeve, 313---the locating sleeve endoporus, 32---sealed nut, 4---pre-storage pipe, 41---store the reed of pipe orifice two ends in advance, 5---another pre-storage pipe, 51---another stores the hollow pipe of pipe in advance, 52---another stores the split ring of Guan Erduan in advance, 6---another pre-storage pipe, 61---another stores the hollow pipe of pipe in advance, 62---another stores the ring of the band elastic rod of pipe in advance, the another kind of needle stand of 112`---outer casing needle, the endoporus of the another kind of needle stand of 112`a---outer casing needle, 4`---another kind of pre-storage pipe, 4`1---the salient point or the convex tendon of last two ends of another kind of pre-storage pipe.

The specific embodiment

Embodiment of this utility model such as Fig. 1 be to shown in Figure 5, disposable use targeting inserter by targeting puncture needle 1, insert push rod 2, import positioning pipe 3, pre-storage pipe 4 combines.Wherein targeting puncture needle 1 is made of outer casing needle 11, lining core pin 12, the front end of outer casing needle needle tubing 111 has needle point cutting edge 111a, appearance indicates the scale 111b of fixed interval, fixedly connected with needle stand 112 in the rear end, there is an entrance hole 112a needle stand 112 inside, the one end communicates with needle tubing 111 endoporus, the other end links to each other with Rule taper hole 112b of needle stand 112 afterbodys, Rule taper hole 112b appearance is provided with sealed lug or thread 112c, the lining core silk 121 of lining core pin 12 is lining in needle tubing 111 endoporus, and lining core silk top inclined-plane 121a and needle point cutting edge 111a inclined-plane match; Inserting push rod 2 is made of push rod core 21 and ram seat 22; Import positioning pipe 3 and be made of locating sleeve 31 and sealed nut 32, wherein the front end of locating sleeve 31 is provided with Rule outer cone joint 311, and nipple tip can be provided with and grip pawl 312; Pre-storage pipe 4 is a hollow pipe, and endoporus two ends are provided with the reed 41 that slightly protrudes in endoporus.

Among other two embodiment of the present utility model, 6 alternative pre-storage pipes 4 are managed in pre-storage pipe 5 shown in Figure 7 or pre-storage shown in Figure 8.Pre-storage pipe 5 wherein shown in Figure 7 is made of hollow pipe 51 and split ring 52, respectively have one on the hollow pipe 51 two ends tube walls perpendicular to tube axis and the groove that connects with endoporus, split ring 52 is the elastic circular ring of a band opening, two split rings 52 are placed in the two ends of hollow pipe 51, and part is embedded in the groove.Pre-storage pipe 6 shown in Figure 8 is made of the ring 62 of hollow pipe 61 and band elastic rod, respectively have the short groove that is parallel to tube axis on the two ends tube wall of hollow pipe 61, the opening annulus of the ring 62 of band elastic rod is provided with an elasticity brace, two elastic rod split rings 62 are placed in the hollow stem two ends, and its elasticity brace is embedded in respectively in the short groove in two ends.

Among another embodiment of this utility model, when pill was flexible body, pre-storage pipe 4 also can be substituted by pre-storage pipe 4` shown in Figure 6.Pre-storage pipe 4` shown in Figure 6 also is a hollow pipe, and its endoporus two ends are provided with to the salient point of endoporus projection or convex tendon 41`.

Among another embodiment of this utility model, the outer casing needle 11 of the alternative targeting puncture needle 1 shown in Figure 2 of outer casing needle 11` shown in Figure 9.Outer casing needle 11` shown in Figure 9 is made of needle tubing 111` and needle stand 112`, wherein fixedly connected with the front end of needle stand 112` in the rear end of needle tubing 111`, the endoporus 112`a of needle stand 112` be one with the identical or smaller cylindrical hole of needle tubing diameter of bore, directly insert pill etc. when being fit to not use pre-storage pipe and insert.

Claims

1. disposable targeting inserter of confession, its by targeting puncture needle (1), insert push rod (2), import positioning pipe (3) and pre-storage and manage (4) and combine, it is characterized in that:

A, targeting puncture needle (1) is made of outer casing needle (11) and lining core pin (12), wherein the front end of outer casing needle needle tubing (111) has needle point cutting edge (111a), appearance can indicate the scale (111b) of fixed interval, fixedly connected with the front end of needle stand (112) in the rear end, there is an entrance hole (112a) needle stand (112) inside, the one end communicates with needle tubing (111) endoporus, the other end links to each other with Rule taper hole (112b) of needle stand (112) rear end, Rule taper hole (112b) appearance is provided with sealed lug or thread (112c), the lining core silk (121) of lining core pin (12) is lining in needle tubing (111) endoporus, and lining inclined-plane, core silk top (121a) matches with needle point cutting edge (111a) inclined-plane;

B, insert push rod (2) and constitute by push rod core (21) and ram seat (22);

C, importing positioning pipe (3) are made of locating sleeve (31) and sealed nut (32), and wherein the front end of locating sleeve (31) has Rule outer cone joint (311), and the top of Rule outer cone joint (311) can be provided with and grip pawl (312);

D, pre-storage pipe (4) are a hollow pipe, and its two end can be provided with the reed (41) that slightly protrudes in endoporus;

2. disposable use targeting inserter as claimed in claim 1 is characterized in that pre-storage pipe (4) two ends can be provided with salient point or convex tendon (41`) or split ring (52) or the elastic rod split ring (62) that slightly protrudes in endoporus;

3. disposable use targeting inserter as claimed in claim 1 is characterized in that outer casing needle needle stand (112) can be made into the needle stand (112`) of cylindrical endoporus (112`a).