CN201437015U

CN201437015U - Needle tube type manual vacuum extractor

Info

Publication number: CN201437015U
Application number: CN2009201587351U
Authority: CN
Inventors: 玛丽斯特普
Original assignee: Marie Stopes International
Current assignee: Marie Stopes International
Priority date: 2009-06-08
Filing date: 2009-06-08
Publication date: 2010-04-14
Anticipated expiration: 2019-06-08

Abstract

The utility model provides a needle tube type manual vacuum extractor comprising a tube body, a sealed plug, a pull rod, a check level, a baffle, a check head, a needle head sleeve, a connection hose, an extraction switch and a handle. The needle tube type manual vacuum extractor has the advantages of simple structure, convenient operation and low cost.

Description

A kind of needle tube type manual negative pressure aspirator

Technical field

This utility model relates to the medical operation technical field of tools, particularly a kind ofly simple in structurely is convenient to operate and needle tube type manual negative pressure aspirator that disposable artificial abortion that cost is low is used.

Background technology

The vacuum extractor that the employed artificial abortion of people is at present used is commonly electronic vacuum extractor, and in the application of reality, negative pressure pressure is bigger, easily causes big pain; And because electronic, noise is big, is unfavorable for using.

Summary of the invention

The purpose of this utility model is in order to address the above problem, and provides a kind of and simple in structurely is convenient to operate and needle tube type manual negative pressure aspirator that disposable artificial abortion that cost is low is used.

In order to achieve the above object, the technical scheme that this utility model provides is: a kind of needle tube type manual negative pressure aspirator, have needle tubing, seal head, pull bar and handle, and also have check lever, baffle plate, non-return head, pinhead sleeve, connection flexible pipe and suction shaft; Seal head is arranged in the needle tubing, and it is provided with sealing ring, is connected with the inside of needle tubing is airtight; Pull bar fixed connection and sealing head and hands handle; Check lever is two, is arranged on the both sides of pull bar, is shorter in length than pull bar, and an end is connected on the handle, and the other end is stretched and goed deep into needle tubing; Baffle plate and non-return head are arranged on the end that the check lever pull bar gos deep into needle tubing; Baffle plate is parallel to pull bar, in the inboard of check lever, protrudes in the check lever at place; The non-return head is the check lever edge that baffle plate is given prominence to, and angle between the two is smaller or equal to 90 degree; Pinhead sleeve is soft cover, the airtight front portion that is enclosed within needle tubing; It is one-body molded to connect flexible pipe and pinhead sleeve, is communicated with needle tubing inside; Suction shaft is enclosed within and connects on the flexible pipe.

Suction shaft comprises the switch sleeve pipe and has the switch key of snap close; The switch sleeve pipe has the snap close with the switch key coupling that has snap close, also has under shed and upper shed; Under shed is greater than upper shed; Be arranged in the upper shed with the described snap close that has the switch key coupling of snap close; The switch key that has snap close has loam cake; Loam cake connects the switch key that has snap close by switch lever; The switch key that has snap close passes under shed, wears to pass to be enclosed within the upper shed; The switch casing pipe sleeve is connecting on the flexible pipe.

The needle tube type manual negative pressure aspirator also has non-return ring; The cross section of non-return ring is a square or rectangular, and the opening that is arranged on needle tubing goes out.

Be provided with groove in the corresponding non-return head of non-return ring; Groove shapes is a square or rectangular, and it is perpendicular to the length on the limit of pull bar, greater than the width or the thickness in the cross section of non-return ring.

This utility model needle tube type manual negative pressure aspirator on the basis of needle tubing, is provided with and also has pinhead sleeve and be connected flexible pipe, is used for connecting the suction pipe that artificial abortion uses, and in the operation, pressure is little, noiseless; After suction shaft is set makes it sufficient negative pressure, attract again or stop attracting, painful little; Being provided with check lever, baffle plate, non-return head avoids maloperation to make the vacuum in the needle tubing or the material that contains sucking-off refluxes and causes unnecessary damages; Non-return ring and groove are set, further strengthen the generation that non-return is avoided accident.

Description of drawings:

Fig. 1: the structural representation of this utility model needle tube type manual negative pressure aspirator;

Fig. 2: this utility model needle tube type manual negative pressure aspirator has telescopic structural representation;

Fig. 3: the structural representation of this utility model needle tube type manual negative pressure aspirator suction shaft.

The specific embodiment:

Embodiment 1:

Shown in Fig. 1,3, a kind of needle tube type manual negative pressure aspirator has needle tubing 1, seal head 2, pull bar 3 and handle 4, also has check lever 5, baffle plate 13, non-return head 14, pinhead sleeve 6, connects flexible pipe 7 and suction shaft; Seal head 2 is arranged in the needle tubing 1, and it is provided with sealing ring 9, is connected with the inside of needle tubing 1 is airtight; Pull bar 3 fixed connection and sealing 2 and handle 4; Check lever 5 is two, is arranged on the both sides of pull bar 3, is shorter in length than pull bar 3, one ends and is connected on the handle 4, and the other end is stretched and goed deep into needle tubing 1; Baffle plate 13 and non-return head 14 are arranged on the end that check lever 5 pull bars go deep into needle tubing 1; Baffle plate 13 is parallel to pull bar 3, in the inboard of check lever 5, protrudes in the check lever 5 at place; Non-return head 14 is check lever 5 edges that baffle plate 13 is given prominence to, and angle between the two is smaller or equal to 90 degree; Pinhead sleeve 6 is soft cover, the airtight front portion that is enclosed within needle tubing 1; It is one-body molded with pinhead sleeve 6 to connect flexible pipe 7, is communicated with needle tubing 1 inside; Suction shaft is enclosed within and connects on the flexible pipe 7.

Suction shaft 8 comprises switch sleeve pipe 12 and has the switch key 8 of snap close; Switch sleeve pipe 12 has the snap close 18 with switch key 8 couplings that have snap close, also has under shed 11 and upper shed 15; Under shed 11 is greater than upper shed 15; Be arranged in the upper shed 15 with the described snap close 18 that has switch key 8 couplings of snap close; The switch key 8 that has snap close has loam cake 16; Loam cake 16 connects the switch key 8 that has snap close by switch lever 17; The switch key 8 that has snap close passes under shed 11, wears to pass to be enclosed within the upper shed 15; Switch sleeve pipe 12 is enclosed within and connects on the flexible pipe 7.

This needle tube type manual negative pressure aspirator is provided with and also has pinhead sleeve and be connected flexible pipe on the basis of needle tubing, is used for connecting the suction pipe that artificial abortion uses, and in the operation, pressure is little, noiseless; After suction shaft is set makes it sufficient negative pressure, attract again or stop attracting, painful little; Being provided with check lever, baffle plate, non-return head avoids maloperation to make the vacuum in the needle tubing or the material that contains sucking-off refluxes and causes unnecessary damages.

Embodiment 2:

As Fig. 2: the difference of present embodiment and embodiment 1 is: the needle tube type manual negative pressure aspirator also has non-return ring 10; The cross section of non-return ring 10 is a square or rectangular, and the opening that is arranged on needle tubing 1 goes out; Be provided with in non-return ring 10 corresponding non-return heads 14 this fluted 19; Groove 19 is shaped as square or rectangular, and it is perpendicular to the length on the limit of pull bar 3, greater than the width or the thickness in the cross section of non-return ring 10.

This needle tube type manual negative pressure aspirator is provided with non-return ring and groove owing to be provided with sleeve pipe, and progressive one strengthens the generation that non-return is avoided accident.

To sum up: this utility model needle tube type manual negative pressure aspirator, on the basis of needle tubing, be provided with and also have pinhead sleeve and be connected flexible pipe, be used for connecting the suction pipe that artificial abortion uses, in the operation, pressure is little, noiseless; After suction shaft is set makes it sufficient negative pressure, attract again or stop attracting, painful little; Being provided with check lever, baffle plate, non-return head avoids maloperation to make the vacuum in the needle tubing or the material that contains sucking-off refluxes and causes unnecessary damages; Non-return ring and groove are set, further strengthen the generation that non-return is avoided accident.

Obviously, the foregoing description of the present utility model only is for this utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.

Claims

1. needle tube type manual negative pressure aspirator, have needle tubing, seal head, pull bar and handle, it is characterized in that: this needle tube type manual negative pressure aspirator has check lever, baffle plate, non-return head, pinhead sleeve, connection flexible pipe and suction shaft, described seal head is arranged in the needle tubing, it is provided with sealing ring, is connected with the inside of needle tubing is airtight; Fixedly connected described seal head of described pull bar and hands handle; Described check lever is two, is arranged on the both sides of described pull bar, is shorter in length than pull bar, and an end is connected on the described handle, and the other end is stretched and goed deep into described needle tubing; Described baffle plate and non-return head are arranged on the end that described check lever pull bar gos deep into needle tubing; Described baffle plate is parallel to pull bar, in the inboard of check lever, protrudes in the check lever at place; Described non-return head is the check lever edge that baffle plate is given prominence to, and angle between the two is smaller or equal to 90 degree; Described pinhead sleeve is soft cover, the airtight front portion that is enclosed within needle tubing; Described connection flexible pipe and described pinhead sleeve are one-body molded, are communicated with described needle tubing inside; Described suction shaft is enclosed within on the described connection flexible pipe.

2. needle tube type manual negative pressure aspirator according to claim 1 is characterized in that: described suction shaft comprises the switch sleeve pipe and has the switch key of snap close; Described switch sleeve pipe has and the described snap close that has the switch key coupling of snap close, also has under shed and upper shed; Described under shed is greater than described upper shed; The described snap close that has the switch key coupling of snap close is arranged in the upper shed; The described switch key that has snap close has loam cake; Described loam cake connects the described switch key that has snap close by switch lever; The described switch key that has snap close passes described under shed, wears to pass to be enclosed within the described upper shed; The switch casing pipe sleeve is on described connection flexible pipe.

3. according to claim 1,2 described needle tube type manual negative pressure aspirators, it is characterized in that: described needle tube type manual negative pressure aspirator also has non-return ring; The cross section of described non-return ring is a square or rectangular, and the opening that is arranged on needle tubing goes out.

4. needle tube type manual negative pressure aspirator according to claim 3 is characterized in that: describedly be provided with groove in the corresponding non-return head of non-return ring; Described groove shapes is a square or rectangular, and it is perpendicular to the length on the limit of pull bar, greater than the width or the thickness in the cross section of described non-return ring.