CN207870945U - Cerclage of cervix bag of waters propulsion device - Google Patents

Abstract

A kind of cerclage of cervix bag of waters propulsion device, including a handle and swelling gasbag, the top end opening of the handle, bottom end is provided with air-filled pore；The handle is equipped with multiple ventholes, and venthole is located in the cavity that swelling gasbag is wrapped up；Slide cartridge there are one being set in handle, slide cartridge bottom end is provided with slide cartridge air admission hole, slide cartridge longitudinal direction outer surface is equipped with screw thread, the roof center of slide cartridge is provided with top plate air admission hole, a hollow mandril is fixed on the top plate, an impelling sheet is fixed in the upper end of mandril, and impelling sheet center is provided with impelling sheet air admission hole, the central through hole connection top plate air admission hole and impelling sheet air admission hole of the mandril；The impelling sheet top surface is equipped with unidirectional gas piece；Straight slot is provided on the handle casing, straight slot both ends position a shaft, and suit one finely tunes gear and a hand gear in shaft；The screw-thread fit of the fine tuning gear and slide cartridge.The device can realize the accurate adjusting of swelling gasbag size, to improve the convenient degree of success rate of operation and operation.

Description

Cerclage of cervix bag of waters propulsion device

Technical field

The auxiliary device used in performing the operation the utility model is related to a kind of Cervical cerclage, and in particular to one kind will be for that will protrude The bag of waters outside uterine neck internal orifice pushes back intrauterine device.

Background technology

Incompetence,cervical be second trimester of pregnancy uterine neck Silent Neuritis expansion the main reason for leading to late abortion repeatedly, premature labor it One.Therapy is that loose uterine neck is reinforced by cerclage of cervix, extends pregnant time, improves fetus survival rate.

Cerclage of cervix, and find that the length of uterine neck becomes the emergent cerclage of cervix used in short-term in ultrasonic examination (Urgent Cerclage) etc..As amnion expansion be projected into outside cervical orifice when, the best approach carry out, being will be outstanding After amnion pushes back intrauterine cavity, the operation method of uterine neck is sutured.

It hangs one's head supine posture as the method that the amnion protruded from outside cervical orifice is pushed back intrauterine cavity Saline solution input method in (trendelenburg position), bladder utilizes wet sponge pincers (Sponge Forcep) or not The method etc. that amnion is inserted in intrauterine cavity by Lei Shi catheters (Foley Catheter).

The method of lying on the back of hanging one's head be puerpera to lie low in the state of, to make amnion enter original position, lift foot and push away naturally Into method, saline solution input method is that the saline solution of specified amount is put into bladder in bladder, and sheep is pushed away by the saline solution The method of film is the method clamped the sponge got wet with pliers and be inserted into amnion using the method that wet sponge clamps.

Mainly using the method using wet sponge pincers in the existing cerclage of cervix, and the method is sharp because of its structure And amnion is damaged, it is particularly present and amnion is inserted in after intrauterine cavity when taking out wet sponge, amnion can be again from intrauterine cavity Distinct issues.

Also, the existing insertion method using not Lei Shi catheters substantially uses when cervical dilatation is small, in sheep When membrane swelling, since the not Lei Shi catheters are bent and are difficult to be operated with this.

In the prior art, Chinese Patent Application No.：201420437676.2 notification number CN203953773U, title：" one Kind can be used for the silica gel support in cerclage of cervix ", disclose a kind of device for pushing the bag of waters outside prominent uterine neck.It should Device is front end made of silica gel with downward projection of supporting part and is fixed on the handle of supporting part lower end and forms 's.The drawbacks of this device, is：1, supporting part is made of silica gel, and harder than amnion is more, and silica gel substantially will not in force process It deforms as pressure becomes larger, so as to cause the stress much larger than other parts is formed at individual points on amnion surface, holds Easily puncture the bag of waters；2, supporting part size is fixed, and can not adapt to the different projecting degree of the bag of waters width different with cervical dilation Degree.Greater risk and difficulty are brought to operation.

Chinese patent, application number：CN201420270793.4, notification number：CN203873843U, entitled " Cervical cerclage Assistor " discloses another bag of waters pusher.It secures water pocket support and water pocket in push rod front end, but public from it From the point of view of the picture and word of cloth, the edge of water pocket support is it is possible to form the stress concentration point for puncturing amnion.In addition, water pocket Shape there is no limit its visible water pocket is elliposoidal from its attached drawing, and this shape makes, push component can not will be outstanding The bag of waters wraps, and can form the face that stress is concentrated on water pocket top, is easy the compressing bag of waters, is also easy that push component is made to exist Bag of waters surface slidably reciprocates, and improves the probability of bag of waters breakage.

Chinese patent, application number：CN201310263604.0, title：" amnion insertion apparatus " discloses a kind of top and fills Gas, bag of waters pusher.In actual use, inflation is once to complete to the device.But if air bag, which crosses conference, to be caused to push away Difficulty is sent, or excessively stimulates uterine neck, leads to stress reaction, air bag size can not be easily adjusted very much in art.If air bag is too small again It is easy to puncture the bag of waters.And inflation is supplied by inflator or air pump, the adjustable air demand of unit is very big, can not be to air bag size It is finely adjusted.Therefore, to reach accurately effect, it is extremely difficult.

Invention content

The purpose of this utility model is to provide a kind of cerclage of cervix bags of waters convenient for accurate adjustment air bag size Propulsion device.

To achieve the goals above, the utility model include a handle and swelling gasbag, the top end opening of the handle, Bottom end is provided with air-filled pore；

The swelling gasbag includes an inner fovea part, and inner fovea part is inserted into and is fixed in the opening of the handle tip, interior It is tightly connected between the outer surface of recess portion and handle tip opening inner surface；

With inner fovea part immediately be positive extension, positive extension extends to handle tip oblique upper, forms inverted round stage Shape；

With positive extension immediately be transition part, the longitudinal section of the transition part is to outstanding arc-shaped above handle；

With transition part immediately be oppositely extending portion, the oppositely extending portion to the bottom end of handle extend；

With oppositely extending portion immediately be tightening portion, the one end in the tightening portion is fixed on handle；

With tightening portion immediately be fixed part, fixed part is fixed on the outer surface of handle；

The handle is equipped with multiple ventholes, and venthole is located in the cavity that swelling gasbag is wrapped up；

It is set in handle there are one slide cartridge, slide cartridge bottom end is provided with slide cartridge air admission hole, and slide cartridge longitudinal direction outer surface is equipped with screw thread, sliding The roof center of cylinder is provided with top plate air admission hole, a hollow mandril is fixed on the top plate, the upper end of mandril is fixed one and pushed away Into piece, impelling sheet center is provided with impelling sheet air admission hole, the central through hole connection top plate air admission hole of the mandril and impelling sheet air inlet Hole；

The impelling sheet end face center is equipped with groove, is equipped with unidirectional gas piece in groove, and one end of unidirectional gas piece is fixed on recessed In groove bottom；

Straight slot is provided on the handle casing, straight slot both ends position a shaft parallel with decreased food direction, shaft Upper one fine tuning gear of suit and a hand gear；

The screw-thread fit of the fine tuning gear and slide cartridge.

By the way that the gear coordinated with slide cartridge and the hand gear coaxial with gear is arranged, before surgical procedure or in operation, Hand gear, adjustment slide cartridge position, so as to adjust the position of impelling sheet to change the size of swelling gasbag can be fluctuated.Gear and cunning The cooperation of cylinder can realize the amount that the gas of subsection is supplied or drawn back, to realize the accurate adjustment to swelling gasbag size. Success rate of operation is improved, risk is reduced.

Further, silica gel support is fixed on the handle, which includes second fixed part, and second fixes Portion is fixed on handle outer surface, with the second fixed part immediately be limiting section, the tightening of limiting section inner surface and swelling gasbag Portion is bonded, and the maximum excircle diameter of silica gel support is not more than the excircle in the oppositely extending portion of swelling gasbag under unaerated state Diameter.The effect of silica gel support is limitation swelling gasbag rearward dilatancy under pressure, and air bag is made to be connect with the bag of waters The size kept stable of contacting surface coats the bag of waters outstanding with larger area, reduces the probability for puncturing the bag of waters.

Further, a silica gel limit support is fixed on the top of the handle, and silica gel limit support is reverse frustoconic, position In in swelling gasbag, and it is bonded with the inner surface of positive extension.Since there are a female parts in the front end of air bag, when use, can be stayed A certain amount of gas is deposited, under pressure effect, gas may leak, and air bag is caused to horizontally slip, and rub the bag of waters, is easy in this way The bag of waters is caused to damage or puncture.Silica gel is set and limits support, effectively can prevent air bag from horizontally slipping, further increase operation Success rate and safety.

Preferably, the unidirectional gas piece is sheet rubber.The effect of unidirectional gas piece is, using charger to swelling gasbag When inflation, gas enters push-rod hole by handle, slide cartridge, at this time can be by unidirectional gas piece to the air-flow of swelling gasbag direction air inlet It is open-top, it realizes and is inflated to swelling gasbag.When inflation is completed, unidirectional gas piece is withdrawn under gravity and elastic reaction, and blocks propulsion Piece air admission hole, to keep the shape of swelling gasbag.When needing to be finely adjusted swelling gasbag size, slide cartridge moves up and down, Swelling gasbag size is controlled, unidirectional gas piece is in closed state always.This structure, significant effect, it is simple in structure, easy to produce and It is at low cost.

Preferably, the diameter of the swelling gasbag is in 0.5-3 cm ranges.

Preferably, the length of the handle is in 15-30 cm ranges.Within the scope of this, holds and operate convenient for patient.

Description of the drawings

Fig. 1 is utility model diagram.

Fig. 2 is Fig. 1 top half enlarged diagrams.

Fig. 3 is the lower half portion Fig. 1 enlarged diagram.

Specific implementation mode

The utility model is described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1 to 3, a kind of cerclage of cervix bag of waters propulsion device, including a handle 1 and swelling gasbag 4, The top end opening of the handle 1, bottom end are provided with air-filled pore 102；

The swelling gasbag 4 includes an inner fovea part 401, and inner fovea part 401 is inserted into and is fixed on opening for 1 top of the handle In mouthful, it is tightly connected between the 1 top end opening inner surface of outer surface and handle of inner fovea part 401；

With inner fovea part 401 immediately be positive extension 402, positive extension 402 extends to 1 top oblique upper of handle, Form reverse frustoconic；

With positive extension 402 immediately be transition part 403, the longitudinal section of the transition part 403 is prominent to 1 top of handle It is arc-shaped；

With transition part 403 immediately be oppositely extending portion 404, the oppositely extending portion 404 to the bottom end of handle 1 extend；

With oppositely extending portion 404 immediately be tightening portion 405, the one end in the tightening portion 405 is fixed on handle 1；

With tightening portion 405 immediately be fixed part 406, fixed part 406 is fixed on the outer surface of handle 1；

The handle 1 is equipped with multiple ventholes 101, and venthole 101 is located in the cavity that swelling gasbag 4 is wrapped up；

It is set in handle 1 there are one slide cartridge 2,2 bottom end of slide cartridge is provided with slide cartridge air admission hole 201, and the longitudinal outer surface of slide cartridge 2 is equipped with 202 center of top plate of screw thread 206, slide cartridge 2 is provided with top plate air admission hole, and a hollow mandril 203 is fixed on the top plate 202, An impelling sheet 204 is fixed in the upper end of mandril 203, and 204 center of impelling sheet is provided with impelling sheet air admission hole, in the mandril 203 Heart through-hole is connected to top plate air admission hole and impelling sheet air admission hole；

204 end face center of the impelling sheet is equipped with groove, and unidirectional gas piece 205, one end of unidirectional gas piece 205 are equipped in groove It is fixed in groove floor；

Straight slot is provided on 1 shell of the handle, straight slot both ends position a shaft 603 parallel with 1 length direction of handle, A fine tuning gear 601 and a hand gear 602 are set in shaft 603；

The screw thread 206 of the fine tuning gear 601 and slide cartridge 2 coordinates.

Silica gel support 3 is fixed on the handle 1, which includes second fixed part 301, the second fixed part 301 are fixed on 1 outer surface of handle, with the second fixed part 301 immediately be limiting section 302,302 inner surface of limiting section with it is swollen The tightening portion 405 of flatulence capsule 4 is bonded, and the maximum excircle diameter of silica gel support 3 is no more than swelling gasbag 4 under unaerated state The excircle diameter in oppositely extending portion 404.

A silica gel limit support 5 is fixed on the top of the handle 1, and it is reverse frustoconic which, which limits support 5, is located at expansion In air bag 4, and it is bonded with the inner surface of positive extension 402.

The unidirectional gas piece 205 is sheet rubber.The diameter of the swelling gasbag 4 is in 0.5-3 cm ranges.The handle 1 length is in 15-30 cm ranges.

In use, the air-filled pore by handle bottom end is inflated, hand gear is then used to carry out the size of swelling gasbag micro- It adjusts, to adapt to different operation needs.

Claims (6)

1. a kind of cerclage of cervix bag of waters propulsion device, including a handle (1) and swelling gasbag (4), which is characterized in that The top end opening of the handle (1), bottom end are provided with air-filled pore (102)；

The swelling gasbag (4) includes an inner fovea part (401), and inner fovea part (401) is inserted into and is fixed on the handle (1) top Opening in, be tightly connected between the outer surface and handle (1) top end opening inner surface of inner fovea part (401)；

With inner fovea part (401) immediately be positive extension (402), positive extension (402) is prolonged to handle (1) top oblique upper It stretches, forms reverse frustoconic；

With positive extension (402) immediately be transition part (403), the longitudinal section of the transition part (403) is to above handle (1) It is outstanding arc-shaped；

With transition part (403) immediately be oppositely extending portion (404), which prolongs to the bottom end of handle (1) It stretches；

With oppositely extending portion (404) immediately be tightening portion (405), the one end in the tightening portion (405) is fixed on handle (1)；

With tightening portion (405) immediately be fixed part (406), fixed part (406) is fixed on the outer surface of handle (1)；

The handle (1) is equipped with multiple ventholes (101), and venthole (101) is located at the cavity that swelling gasbag (4) is wrapped up It is interior；

It is set in handle (1) there are one slide cartridge (2), slide cartridge (2) bottom end is provided with slide cartridge air admission hole (201), slide cartridge (2) longitudinal direction outer surface It is equipped with screw thread (206), top plate (202) center of slide cartridge (2) is provided with top plate air admission hole, one is fixed on the top plate (202) An impelling sheet (204) is fixed in the upper end of hollow mandril (203), mandril (203), and impelling sheet (204) center is provided with impelling sheet Air admission hole, the central through hole connection top plate air admission hole and impelling sheet air admission hole of the mandril (203)；

Impelling sheet (204) end face center is equipped with groove, is equipped with unidirectional gas piece (205) in groove, and the one of unidirectional gas piece (205) End is fixed in groove floor；

Straight slot is provided on handle (1) shell, straight slot both ends position a shaft parallel with handle (1) length direction (603), a fine tuning gear (601) and a hand gear (602) are set in shaft (603)；

The fine tuning gear (601) and the screw thread (206) of slide cartridge (2) coordinate.

2. cerclage of cervix according to claim 1 bag of waters propulsion device, which is characterized in that on the handle (1) Fixed silica gel support (3), the silica gel support (3) include second fixed part (301), and the second fixed part (301) is fixed on hand On handle (1) outer surface, with the second fixed part (301) immediately be limiting section (302), limiting section (302) inner surface and expansion gas The tightening portion (405) of capsule (4) is bonded, and the maximum excircle diameter of silica gel support (3) is no more than swelling gasbag under unaerated state (4) the excircle diameter in oppositely extending portion (404).

3. cerclage of cervix according to claim 1 bag of waters propulsion device, which is characterized in that the handle (1) A silica gel limit support (5) is fixed on top, and silica gel limit support (5) is reverse frustoconic, is located in swelling gasbag (4), and with The inner surface of positive extension (402) is bonded.

4. cerclage of cervix according to any one of claims 1 to 3 bag of waters propulsion device, which is characterized in that described Unidirectional gas piece (205) is sheet rubber.

5. cerclage of cervix according to any one of claims 1 to 3 bag of waters propulsion device, which is characterized in that described The diameter of swelling gasbag (4) is in 0.5-3 cm ranges.

6. cerclage of cervix according to claim 5 bag of waters propulsion device, which is characterized in that the handle (1) Length is in 15-30 cm ranges.