CN109620374B - Uterine manipulator capable of reducing uterine compression area - Google Patents

Uterine manipulator capable of reducing uterine compression area Download PDF

Info

Publication number
CN109620374B
CN109620374B CN201910126932.3A CN201910126932A CN109620374B CN 109620374 B CN109620374 B CN 109620374B CN 201910126932 A CN201910126932 A CN 201910126932A CN 109620374 B CN109620374 B CN 109620374B
Authority
CN
China
Prior art keywords
uterine
gripping
wall
uterus
main rod
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.)
Active
Application number
CN201910126932.3A
Other languages
Chinese (zh)
Other versions
CN109620374A (en
Inventor
綦小蓉
郑莹
陈琳
王亚雯
周小驰
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.)
West China Second University Hospital of Sichuan University
Original Assignee
West China Second University Hospital of Sichuan University
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 West China Second University Hospital of Sichuan University filed Critical West China Second University Hospital of Sichuan University
Priority to CN201910126932.3A priority Critical patent/CN109620374B/en
Publication of CN109620374A publication Critical patent/CN109620374A/en
Application granted granted Critical
Publication of CN109620374B publication Critical patent/CN109620374B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/42Gynaecological or obstetrical instruments or methods
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/00234Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/42Gynaecological or obstetrical instruments or methods
    • A61B2017/4216Operations on uterus, e.g. endometrium

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Gynecology & Obstetrics (AREA)
  • Pregnancy & Childbirth (AREA)
  • Reproductive Health (AREA)
  • Surgical Instruments (AREA)
  • Endoscopes (AREA)

Abstract

The invention belongs to the technical field of medical appliances, and particularly relates to a uterine manipulator capable of reducing the compression area of uterus, which comprises a main rod, wherein one end of the main rod is an extending end used for extending into the uterus, the other end of the main rod is an operating end arranged outside a patient, a uterine gripping part is arranged on the extending end of the main rod, the uterine gripping part comprises a plurality of gripping arms, when the uterine gripping part is in a gripping state, the gripping end of the gripping arm is attached to the inner wall of the uterus, and a control part used for controlling the uterine gripping part to move from a folding state to an unfolding state is further arranged on the main rod. The uterine manipulator avoids large-area extrusion of the uterine wall, so that the risk that intrauterine blood is extruded into surrounding tissues is greatly reduced, and the risk of pathological changes and infection of the surrounding tissues is greatly reduced.

Description

Uterine manipulator capable of reducing uterine compression area
Technical Field
The invention belongs to the technical field of medical appliances, and particularly relates to a uterine manipulator capable of reducing the compression area of uterus.
Background
The total hysterectomy is an operation mode widely applied to obstetrics and gynecology treatment, and can be used for treating hysteromyoma, uterine ovarian tumor and the like, and the traditional mode is to cut the abdominal cavity of a patient to perform total hysterectomy, so that although the total hysterectomy can be realized, the operation mode is gradually eliminated due to the defects of large wound area, long healing time, high operation cost and the like, and instead, the operation mode is the laparoscopic hysterectomy which is widely applied at present.
The laparoscopic hysterectomy has the greatest advantages of small wound area, less interference to the abdominal viscera, small damage and quick recovery, can keep the stability of the environment in the body, and has no obvious scar. However, the operation space is limited to be small, so that in order to ensure the smoothness of the operation process and reduce the operation risk, the position of the uterus needs to be adjusted before the uterus is resected, so that the uterus is positioned at a position convenient for operation, and the uterus which is adjusted in place needs to be fixed, so that the risks of uterine displacement and the like in the operation process are avoided.
Currently, for fixing the position of the uterus, a uterine manipulator is generally adopted, the uterine manipulator generally comprises a rod-shaped or soft saccular pressing part and a control rod connected with the pressing part, the pressing part extends into the uterus from the vagina of a patient during operation, and an operator or a nurse operates the pressing part through the control rod to enable the pressing part to press the interior of the uterus of the patient, and then the position of the uterus is adjusted and fixed.
Although the above-mentioned manner can realize the adjustment to the uterine position, can also satisfy to a certain extent to the fixed uterus, in actual operation, the inventor found that there are serious drawbacks in current uterine lifting devices, specifically as follows:
in the current uterine manipulator, no matter the adjustment of the uterine position or the fixation of the uterine position, the pressing part of the uterine manipulator is required to press the uterine wall, and the pressing degree also determines whether the uterine manipulator can reliably fix the uterus and adjust the uterine position, so that in the current use of the uterine manipulator, a larger pressing force is required to be used to ensure the pressing part to press the uterine wall, thereby realizing the adjustment and fixation of the uterine position, and in further intensive research, the inventor finds that the large-area large-force pressing is carried out on the uterus, which also causes serious problems, and the invention particularly comprises the following steps: when the uterine wall is subjected to the above-mentioned compression forces, the internal blood is squeezed out of the uterus into the tissue connected to the uterus, and when malignant pathological tissue such as malignant tumor exists in the uterus, the operation mode is that the uterus is resected after operation, but other tissues are at great risk of infection and pathological change.
Disclosure of Invention
The invention aims at: aiming at the defect that the existing uterine manipulator structure has the defects of compressing uterus to cause blood in the uterus to flow into other tissues to cause pollution and lesion risk of the other tissues, the uterine manipulator structure is provided, which can reduce the compression to the uterus and further reduce the infection and lesion risk of the tissues around the uterus.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the utility model provides a can reduce uterus ware of pressing area to uterus, includes the mobile jib, mobile jib one end is for being used for stretching into the inside stretching into of uterus, and the other end is the outer operating end of arranging in the patient the stretching into of mobile jib is last to be provided with the uterus and grasp the part, the uterus is grasped the part, including a plurality of grasping arms, grasp the arm on have be used for with the interior wall matched with grasp the end, each the arm is can relative movable fit, makes the uterus is grasped the part and has a receipts state and an expansion state, the uterus is grasped the part and is gone up the direction that the oppression end of each grasping arm is kept away from each other by receipts state to the expansion state in-process, and makes the uterus is grasped the part and is had at least one and grasp the state, when the uterus is grasped the part is in grasp the state, grasp the end of grasping the arm is laminated with the interior wall the uterus still be provided with on the mobile jib and be used for controlling grasping the part and by receipts state to the control part action of expansion state.
According to the uterine manipulator, the control part is used for controlling the action of the uterine gripping part, so that after the uterine gripping part is placed in the uterus, the state of folding changes to the state of unfolding, the gripping of the uterus is realized, in the scheme of the uterine manipulator, the gripping ends of the gripping arms are attached to the inner wall of the uterus at a plurality of local positions when the uterus is gripped, the gripping of the uterine gripping part is realized, the large-area extrusion of the uterine wall is avoided, the risk that the intrauterine blood is extruded into surrounding tissues is greatly reduced, and the pathological changes and the infection risk of the surrounding tissues of the uterus are greatly reduced.
Preferably, the control part is a hollow cylinder with two open ends, the control part is sleeved outside the main rod and can move along the axial direction of the main rod, and when the control part moves along the main rod, the control part controls the uterine gripping part to be folded or unfolded.
Preferably, when the control part moves towards the uterine gripping part, the uterine wall gripping part is gradually folded, and when the uterine gripping part is in a folded state, all or part of the uterine gripping part is positioned in the control part;
the uterine wall gripping member gradually expands as the control member moves away from the uterine gripping member.
Preferably, scale marks are arranged on the side wall of the main rod and/or the outer side wall of the control part.
As a preferable scheme, the control part and the main rod are in threaded fit.
Further preferably, a holding portion is further provided at an end of the control member remote from the uterine gripping member, and the holding portion is a protruding structure protruding from an outer wall of the control member or is a recess provided on the outer wall of the control member.
As another preferable mode, a driving device for driving the control part to move along the main rod is further arranged on the main rod.
Further preferably, the driving device is a linear motor.
Preferably, the operation end of the main rod is also detachably connected with a bracket, and the bracket is used for being connected with an operating table.
Preferably, the gripping arm is an elongate rod.
Preferably, the length of each of the gripping arms is equal.
Preferably, the number of the gripping arms is at least three.
Preferably, the gripping arms are uniformly distributed along the circumferential direction of the central axis of the main rod, and the movement track of each gripping end or the projection of the movement track is located in the radial direction of the circumference in the process of changing the uterine gripping part from the folding state to the unfolding state.
Preferably, the uterine gripping member further comprises a connector, the gripping arm is rotatably arranged on the connector, and the connector is detachably connected with the main rod.
Preferably, elastic means are provided on the connector for applying elastic force to the gripping arms so that the uterine gripping member has a tendency to maintain the unfolded state.
Preferably, the gripping end is also provided with a uterine wall occlusion end, the uterine wall occlusion end comprises an end body, the end body is provided with a mounting part and an occlusion part,
the mounting part is used for being connected with the gripping end,
the occlusion part is used for occluding the inner wall of the uterus so as to fix the relative position of the end head body and the uterine wall.
Preferably, the uterine wall occlusion end is detachably connected with the gripping end.
As a preferred embodiment, the recess is provided in the tip body.
Further preferably, the groove is a V-shaped groove.
Further preferably, the end body at the edge of the groove is a sharp corner.
As another preferable mode, the engaging portion is an openable engaging tooth provided on the tip body.
As another preferred aspect, the engagement portions are a plurality of sharp protrusions arranged on the tip body.
Further preferably, the height of the sharp projection facing away from the tip body is less than the uterine wall thickness.
It is further preferred that the height of the sharp projection facing away from the tip body is less than 2/3 of the uterine wall thickness.
Preferably, the end body gradually presses the inner wall of the uterus during the process of changing from the folding state to the unfolding state of the uterus gripping part,
the sharp end of the sharp protrusion is bent in a direction away from the pressing direction of the end body.
As a preferable scheme, one end of the end head body facing the inner wall of the uterus is an outwards convex cambered surface, and the sharp protrusions are distributed on the cambered surface.
As another preferable mode, one end of the tip body facing the inner wall of the uterus extends in the direction along the occlusion track to form a strip-shaped part, and the sharp protrusion is arranged on one side of the strip-shaped part facing the wall of the uterus.
In summary, due to the adoption of the technical scheme, the beneficial effects of the application are as follows:
according to the uterine manipulator, the control part is used for controlling the action of the uterine gripping part, so that after the uterine gripping part is placed in the uterus, the state of folding changes to the state of unfolding, the gripping of the uterus is realized, in the scheme of the uterine manipulator, the gripping ends of the gripping arms are attached to the inner wall of the uterus at a plurality of local positions when the uterus is gripped, the gripping of the uterine gripping part is realized, the large-area extrusion of the uterine wall is avoided, the risk that the intrauterine blood is extruded into surrounding tissues is greatly reduced, and the pathological changes and the infection risk of the surrounding tissues of the uterus are greatly reduced.
Drawings
FIG. 1 is a schematic diagram of a uterine manipulator;
FIG. 2 is a schematic view of the structure of one embodiment of a uterine wall occlusion tip;
FIG. 3 is a schematic view of one embodiment of a uterine wall occlusion tip
FIG. 4 is a schematic view of the structure of one embodiment of a uterine wall occlusion tip;
FIG. 5 is a schematic view of the structure of one embodiment of a uterine wall occlusion tip;
FIG. 6 is a schematic view of a partial cross-sectional configuration of the engagement of the connector with the gripping arm;
FIG. 7 is a schematic partial cross-sectional view of the control member in cooperation with the boom and the gripping member;
figure 8 is a schematic structural view of the uterine manipulator when the driving device adopts a linear motor,
the marks in the figure: a-uterine wall occlusion end, 1-end body, 2-installation part, 3-occlusion part, 4-control part, 5-grasping arm, 6-grasping end, 7-connecting piece, 8-elastic device, 9-main rod, 10-grasping part, 11-bracket and 12-driving device.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Example 1, as shown in fig. 1-7:
the utility model provides a can reduce uterus ware of pressing area to uterus, includes mobile jib 9, mobile jib 9 one end is for stretching into the inside end that stretches into of uterus, and the other end is the operation end of arranging in outside the patient the mobile jib 9 stretches into the end and is provided with uterus gripping member, uterus gripping member includes a plurality of gripping arms 6, grip arm 6 is last to have be used for with uterus inner wall matched with grip end, each gripping arm 6 is the cooperation that can move relatively, makes uterus gripping member has a receipts state and expansion state, uterus gripping member is by receipts state to expansion state in-process, and each gripping arm 6's pressing end moves towards the direction of keeping away from each other to make uterus gripping member has at least one and grips the state, when uterus gripping member is in gripping state, gripping arm 6's gripping end is laminated with uterus inner wall still is provided with on mobile jib 9 and is used for controlling the uterus gripping member is by receipts state to expansion state action control member 4.
According to the uterine manipulator, the action of the uterine gripping members is controlled by the control member 4, after the uterine gripping members are placed in the uterus, the state of folding changes to the state of unfolding, so that the uterine gripping is realized, in the scheme of the uterine manipulator, when the uterus is gripped, the gripping ends of the gripping arms 6 are attached to the inner wall of the uterus at a plurality of local positions, so that the uterus gripping by the gripping members 4 is realized, the large-area extrusion of the uterine wall is avoided, the risk that blood in the uterus is extruded into surrounding tissues is greatly reduced, and the pathological changes and infection risks of the surrounding tissues of the uterus are greatly reduced.
As a preferred embodiment, the control member 4 is a hollow cylinder with two open ends, the control member 4 is sleeved outside the main rod 9 and can move along the axial direction of the main rod 9, and when the control member 4 moves along the main rod 9, the control member controls the uterine gripping member to be folded or unfolded.
As a preferred embodiment, further, when the control part 4 moves towards the uterine gripping part, the uterine wall gripping part is gradually folded, and when the uterine gripping part is in a folded state, the uterine gripping part is wholly or partially positioned in the control part 4; the control member 4 is moved away from the uterine gripping member, and the uterine wall gripping member is gradually deployed.
In the above embodiment, the control of the extent of the deployment of the gripping member can be achieved by the movement of the control member 4 along the main lever 9, which is simple and efficient, and the control process is stable.
As a preferred embodiment, graduation marks are further arranged on the side wall of the main rod 9 and/or the outer side wall of the control part 4. In this embodiment, the setting of scale mark is that on the one hand can have convenient knowledge to lift the length that the palace ware stretched into, on the other hand, can also measure the degree of expansion of gripping member through the relative position change degree of mobile jib 9 and control part 4, further makes things convenient for this application to lift the use of palace ware, reduces the operation risk.
As a preferred embodiment, further, the control part 4 and the main rod 9 are in threaded engagement. In this way, the control member 4 is rotated to effect movement of the control member 4 along the main lever 9, thereby effecting control of the extent of deployment of the gripping members.
As a preferred embodiment, further, a holding portion 10 is disposed at an end of the control member 4 away from the uterine gripping member, and the holding portion 10 is a protrusion protruding from an outer wall of the control member 4 or is a recess disposed on the outer wall of the control member 4. The holding part 10 is arranged to facilitate the medical staff to rotate the control part 4.
As another embodiment, as shown in fig. 8, a driving device 12 for driving the control member 4 to move along the main lever 9 is further provided on the main lever 9.
Further preferably, the driving device 12 is a linear motor. The motor shaft of the linear motor is hinged with the control part 4, and the motor base of the linear motor is arranged on the main rod 9.
In the above mode, one end of the control part 4 is controlled by arranging the linear motor, so that the control process is more convenient and efficient.
As a preferred embodiment, a bracket 11 is also detachably connected to the operating end of the main rod 9, and the bracket 11 is used for connecting with an operating table. In this way, by arranging the bracket 11, the uterine manipulator is fixed on the operation table through the bracket after being adjusted in place, so that the labor intensity of medical staff is reduced.
As a preferred embodiment, the gripping arms 6 are elongate bars. The grabbing arm 6 is arranged as an elongated rod, so that the small overall dimension in the folded state can be ensured, the grabbing arm is convenient to extend into the uterus, and the contact area between the grabbing arm 6 and the uterine wall is further reduced, so that large-area extrusion on the uterine wall is further avoided.
As a preferred embodiment, the length of each of the gripping arms 6 is equal.
As a preferred embodiment, the number of the gripping arms 6 is at least three. In this way, the uterine wall is gripped in at least three positions, thus ensuring a reliable grip on the uterus.
As a preferred embodiment, the gripping arms 6 are uniformly distributed along the circumferential direction, and the movement track or projection of the movement track of each gripping end is located in the radial direction of the circumference during the process of changing the uterine gripping member from the folded state to the unfolded state. In this way, a gripping force is uniformly applied to the uterine wall in the circumferential direction, and thus, the reliability of the gripping of the uterus by the gripping member is further ensured.
As a preferred embodiment, as shown in fig. 7, the uterine gripping member further comprises a connecting member 7, the gripping arm 6 being rotatably arranged on the connecting member 7, the connecting member 7 being detachably connected to the main lever 9. In this way, the uterine gripping member can be replaced conveniently, and when replacement is required, the connector 7 can be removed from the boom 9.
As a preferred embodiment, elastic means 8 are further provided on the connecting member 7, the elastic means 8 being configured to apply elastic force to the gripping arms 6 so that the uterine gripping member has a tendency to maintain the unfolded state.
As a preferred embodiment, the gripping end is further provided with a uterine wall occlusion end head a, the uterine wall occlusion end head a comprises an end head body 1, the end head body 1 is provided with a mounting part 2 and an occlusion part 3, the mounting part 2 is used for being connected with the gripping end, and the occlusion part 3 is used for occluding the inner wall of the uterus so as to fix the relative position of the end head body 1 and the uterine wall.
In the present embodiment, the provided uterine wall engagement tip a engages the uterine inner wall through the engagement portion 3 of the uterine wall engagement tip a during use, and thus the action of the uterine manipulator on the pair Gong Nabi is realized, that is, when the uterine manipulator performs position adjustment or position fixation on the uterus, the uterine manipulator is engaged with the uterine inner wall through the engagement portion 3 of the engagement tip, and the uterine manipulator position adjustment or fixation is realized, so that the pressure applied to the uterine wall by the gripping arm 6 can be greatly reduced, on the one hand, the energy of inflow of intrauterine blood into surrounding tissues can be further reduced, on the other hand, the strength requirement on the gripping arm 6 can be reduced, and further, the gripping arm 6 with smaller cross-sectional area can be adopted, and thus the size of the gripping member in the further collapsed state can be greatly reduced;
further, by adopting the occlusion end A of the uterine wall in the embodiment, compared with the traditional uterine lifter, the large-area extrusion is avoided by occluding the local position of the uterine inner wall, so that the risk that the intrauterine blood is extruded into surrounding tissues is greatly reduced, and the risk of pathological changes and infection of the surrounding tissues of the uterus is greatly reduced; on the other hand, the traditional uterine lifting device is used for adjusting the position of the uterus or fixing the position of the uterus in an extrusion mode, when the uterus is cut off from the cervical position, the uterus and the uterine lifting device are extremely easy to slide and deflect relatively due to the loss of the support of the cervical position, and even fall into the abdominal cavity of a patient in severe cases, and tissue fluid in the uterus flows into the abdominal cavity to cause abdominal cavity pollution.
In the present embodiment, compared with the traditional uterine lifter which is only extruded, the occlusion of the occlusion part 3 on the inner wall of the uterus is more stable, when the uterus Gong Qie is cut off from the cervical position, the occlusion part 3 will not slide relative to the uterus in an occlusion manner, thus realizing the reliable fixation of the uterine lifter on the uterus, avoiding the risk of the uterus falling into the abdominal cavity and the abdominal cavity pollution caused by the tissue fluid in the uterus, so the scheme of the present embodiment greatly improves the operation safety;
on the other hand, for the traditional uterine manipulator, as the uterine manipulator is matched with the uterine wall in an extrusion mode, when the uterus is fixed after the uterine position is adjusted in place, a certain forward thrust is needed to be applied to the uterus, so that the uterus is in a pushed and extruded state, the fixation of the uterus is realized, the risk of blood in the uterus flowing into other tissues is further increased by adopting the mode, and a certain forward thrust is needed to be applied to the manipulator Gong Qishi, and the requirement on the outer wall support of the manipulator is higher, so that the external assembly of the manipulator is complex, and the manipulator has higher working strength when manually holding and pressing; more seriously, under the pushing action, when the uterus is cut off from the cervix, the uterus lifter pushes the uterus forward at the moment, so that on one hand, the surrounding tissues are possibly damaged, and on the other hand, the risk that the uterus falls into the abdominal cavity or the intrauterine tissue flows into the abdominal cavity is also increased;
the occlusion mode of the occlusion end A of the uterine wall of the embodiment is adopted, and the uterus can be fixed by adopting the occlusion mode, so that the uterus is not required to be fixed by applying pushing pressure, the requirement on pushing force to the uterus can be greatly reduced or even avoided, the extrusion to the uterine wall is further reduced, the requirement on an external operator or a device of the uterine lifter is also reduced, the working intensity of medical staff is greatly reduced, and the equipment cost is also reduced; on the other hand, the risk that the uterus is cut off from the cervix and the uterus moves forward due to thrust is avoided, the risk that the uterus falls into the abdominal cavity or intrauterine tissue fluid flows into the abdominal cavity is further reduced, and the operation safety is greatly improved.
As a preferred embodiment, as shown in fig. 6, the uterine wall occlusion tip a is detachably connected to the gripping end. In the uterine manipulator scheme of this application, uterine wall interlock end A is wearing and tearing the component easily, so be detachable connection between uterine wall interlock end A and the end of grabbing, change uterine wall interlock end A that can be convenient avoids whole uterine manipulator's change, so, further reduced use cost, reduction patient's medical cost burden.
As a preferred embodiment, further, as shown in fig. 2, the engagement portion 3 is a groove provided on the tip body 1. The occlusion part 3 is provided with a groove, and when in use, a certain pressure is applied to the occlusion end A, so that part of the inner wall of the uterus is embedded into the groove, and occlusion of the uterine wall is realized.
Further preferably, the groove is a V-shaped groove.
Further preferably, the end body 1 at the edge of the groove is a sharp corner. The sharp angle is formed at the position, and the sharp angle can be penetrated into the uterine wall, so that the stability and the reliability of the occlusion end head on the uterine wall are further improved.
As another embodiment, as shown in fig. 3, the engaging portion 3 is an openable and closable engaging tooth provided on the tip body 1. By adopting the mode, the opening and closing of the occluding teeth can be conveniently controlled, so that the occluding uterine wall can be controlled or loosened.
As another embodiment, as shown in fig. 4 and 5, the engagement portions 3 are sharp protrusions arranged on the tip body 1. In this embodiment, reliable connection to the uterus is achieved by providing sharp projections which pierce the uterine wall when the occlusion tip is pressed against the wall.
It is further preferred that the height of the sharp projection facing away from the tip body 1 is less than the uterine wall thickness.
It is further preferred that the height of the sharp projection facing away from the tip body 1 is less than 2/3 of the uterine wall thickness. In this way, the sharp protrusions are prevented from piercing the uterine wall and increasing the risk of surgery.
As a preferred embodiment, on the basis of the above-mentioned scheme, further, the tip body 1 has a bite track, when the tip body 1 moves along the bite track, the tip body 1 gradually presses the inner wall of the uterus, and the sharp end of the sharp protrusion is bent toward the pressing direction facing away from the tip body 1. In this embodiment, through setting up sharp-pointed protruding into crooked form, avoid the end to move towards the opposite direction of interlock orbit, sharp-pointed protruding breaks away from the uterine wall, so, further improved with interlock portion 3 and the reliability of the occlusion between the uterine wall, when needs were explained, this application lifts palace ware is to the hysterectomy operation, so, in lifting palace ware operation, even there is the action such as interlock, puncture to the uterine wall, also can not bring adverse effect to the operation result.
As a preferred embodiment, as shown in fig. 4 and 5, the end of the tip body 1 facing the inner wall of the uterus is a convex arc surface, and the sharp protrusions are distributed on the arc surface.
As another preferred embodiment, as shown in fig. 5, the end of the tip body 1 facing the inner wall of the uterus is extended in the direction along the bite track to form a strip portion, and the sharp protrusion is disposed on the side of the strip portion facing the wall of the uterus.
The above embodiments are only for illustrating the present invention and not for limiting the technical solutions described in the present invention, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above specific embodiments, and thus any modifications or equivalent substitutions are made to the present invention; all technical solutions and modifications thereof that do not depart from the spirit and scope of the invention are intended to be covered by the scope of the appended claims.

Claims (10)

1. A uterine manipulator capable of reducing the compression area of uterus is characterized by comprising a main rod, wherein one end of the main rod is an extending end used for extending into the uterus, the other end of the main rod is an operating end arranged outside a patient, a uterine gripping part is arranged on the extending end of the main rod and comprises a plurality of gripping arms, the gripping arms are provided with gripping ends used for being matched with the inner wall of the uterus,
each gripping arm is in relatively movable fit, so that the uterine gripping member has a folding state and a unfolding state, in the process of changing the folding state to the unfolding state, the pressing ends of the gripping arms move in the directions away from each other, at least one gripping state exists in the uterine gripping member, when the uterine gripping member is in the gripping state, the gripping ends of the gripping arms are attached to the inner wall of the uterus, a control member for controlling the uterine gripping member to move from the folding state to the unfolding state is further arranged on the main rod,
still be provided with uterine wall interlock end on the gripping, uterine wall interlock end includes interlock portion, and the oppression end of each gripping arm is moved to the direction that keeps away from each other makes uterine gripping part is when holding the state, interlock portion is used for keeping away from each other towards the oppression end and articulates uterine inner wall, in order to realize the fixed of end body and uterine wall relative position, reduces the pressure that the gripping arm applyed the uterine wall by a wide margin to can reduce the intensity requirement to the gripping arm, and then can adopt the gripping arm of sectional area littleer, reduce the size of gripping part under the receipts closing state.
2. The uterine manipulator according to claim 1, wherein the control member is a hollow cylinder with two open ends, the control member is sleeved outside the main rod and can move along the axial direction of the main rod, and the control member controls the uterine gripping member to be folded or unfolded when moving along the main rod.
3. A uterine manipulator according to claim 2, characterized in that the uterine wall gripping member is gradually collapsed as the control member is moved towards the uterine gripping member, the uterine gripping member being wholly or partly within the control member when the uterine gripping member is in the collapsed state; the uterine wall gripping member gradually expands as the control member moves away from the uterine gripping member.
4. A uterine manipulator according to claim 2 or 3, characterized in that graduation marks are provided on the lateral wall of the main rod and/or the lateral wall of the control member.
5. A uterine manipulator according to claim 2 or 3, characterized in that the control member is in threaded engagement with the main rod.
6. A uterine manipulator according to any of claims 1-3, characterized in that the control member is further provided with a grip at its end remote from the uterine gripping member, which grip is in the form of a protruding structure protruding from the outer wall of the control member or is in the form of a recess provided in the outer wall of the control member.
7. A uterine manipulator according to any of claims 1-3, characterized in that driving means for driving the control member along the boom are further provided on the boom.
8. A uterine manipulator according to claim 7, characterized in that the drive means are linear motors.
9. A uterine manipulator according to any of claims 1-3, characterized in that the gripping end is further provided with a uterine wall gripping head, the uterine wall gripping head comprising a head body, the head body being provided with a mounting portion for connection to the gripping end and a gripping portion for gripping the uterine inner wall for fixing the relative position of the head body and the uterine wall.
10. A uterine manipulator according to claim 9, characterized in that the uterine wall occlusion tip is detachably connected to the gripping end.
CN201910126932.3A 2019-02-20 2019-02-20 Uterine manipulator capable of reducing uterine compression area Active CN109620374B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910126932.3A CN109620374B (en) 2019-02-20 2019-02-20 Uterine manipulator capable of reducing uterine compression area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910126932.3A CN109620374B (en) 2019-02-20 2019-02-20 Uterine manipulator capable of reducing uterine compression area

Publications (2)

Publication Number Publication Date
CN109620374A CN109620374A (en) 2019-04-16
CN109620374B true CN109620374B (en) 2024-01-30

Family

ID=66065508

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910126932.3A Active CN109620374B (en) 2019-02-20 2019-02-20 Uterine manipulator capable of reducing uterine compression area

Country Status (1)

Country Link
CN (1) CN109620374B (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580166A1 (en) * 1985-04-12 1986-10-17 Verstraete Jean Improved surgical forceps in particular for gynaecological operations
EP1125556A1 (en) * 2000-02-18 2001-08-22 Medsys S.A. Uterine manipulator
CN201572120U (en) * 2009-12-07 2010-09-08 孙茜 Uterus traction pliers
CN202078373U (en) * 2011-05-12 2011-12-21 中国人民解放军第三军医大学第二附属医院 Uterus lifting machine
CN202184777U (en) * 2011-08-16 2012-04-11 孙彦 Gynecologic operation gripping nippers
CN104207827A (en) * 2014-09-05 2014-12-17 桐庐优视医疗器械有限公司 Protractor-type multifunctional uterine lifting manipulator
CN104905852A (en) * 2015-04-28 2015-09-16 中日友好医院 Intelligent multifunctional remote control uterus manipulator
CN204890136U (en) * 2015-09-06 2015-12-23 四川大学华西第二医院 Leak protection gas auxiliary device suitable for cup type whole palace ware
CN105534571A (en) * 2016-01-28 2016-05-04 复旦大学附属肿瘤医院 Uterus clamp
WO2016183340A1 (en) * 2015-05-14 2016-11-17 Benson Medical LLC Atraumatic cervical tenaculum
CN206836944U (en) * 2017-01-09 2018-01-05 宁波大学 A kind of laborsaving adjustable uterus support
CN209863991U (en) * 2019-02-20 2019-12-31 四川大学华西第二医院 Uterine manipulator capable of reducing compression area on uterus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040236349A1 (en) * 2003-01-22 2004-11-25 Gellman Barry N. Cervical tenaculum

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580166A1 (en) * 1985-04-12 1986-10-17 Verstraete Jean Improved surgical forceps in particular for gynaecological operations
EP1125556A1 (en) * 2000-02-18 2001-08-22 Medsys S.A. Uterine manipulator
CN201572120U (en) * 2009-12-07 2010-09-08 孙茜 Uterus traction pliers
CN202078373U (en) * 2011-05-12 2011-12-21 中国人民解放军第三军医大学第二附属医院 Uterus lifting machine
CN202184777U (en) * 2011-08-16 2012-04-11 孙彦 Gynecologic operation gripping nippers
CN104207827A (en) * 2014-09-05 2014-12-17 桐庐优视医疗器械有限公司 Protractor-type multifunctional uterine lifting manipulator
CN104905852A (en) * 2015-04-28 2015-09-16 中日友好医院 Intelligent multifunctional remote control uterus manipulator
WO2016183340A1 (en) * 2015-05-14 2016-11-17 Benson Medical LLC Atraumatic cervical tenaculum
CN204890136U (en) * 2015-09-06 2015-12-23 四川大学华西第二医院 Leak protection gas auxiliary device suitable for cup type whole palace ware
CN105534571A (en) * 2016-01-28 2016-05-04 复旦大学附属肿瘤医院 Uterus clamp
CN206836944U (en) * 2017-01-09 2018-01-05 宁波大学 A kind of laborsaving adjustable uterus support
CN209863991U (en) * 2019-02-20 2019-12-31 四川大学华西第二医院 Uterine manipulator capable of reducing compression area on uterus

Also Published As

Publication number Publication date
CN109620374A (en) 2019-04-16

Similar Documents

Publication Publication Date Title
ES2706744T3 (en) Hemostatic forceps
WO2004082725A3 (en) Expandable needle suture apparatus and associated handle assembly
CN108433764B (en) A kind of flap pulling device for cutting art entirely for mammary gland
CN209863991U (en) Uterine manipulator capable of reducing compression area on uterus
CN109620374B (en) Uterine manipulator capable of reducing uterine compression area
CN109620375B (en) Uterine manipulator capable of automatically pressing uterine cavity
CN209713088U (en) A kind of uterus holding part for uterus raising device and the uterus raising device using the holding part
CN109620373B (en) Uterus gripping part for uterus lifting device and uterus lifting device adopting same
CN209713087U (en) A kind of uterus raising device that can oppress uterine cavity automatically
CN212415865U (en) Obstetric device for obstetrics and gynecology department
CN212186648U (en) Uterine manipulator with adjustable angle
CN113679478A (en) Pincers cover subassembly for intestinal pincers
CN208910428U (en) A kind of gastroscope pincers road foreign matter is cut
CN208371839U (en) A kind of not damaged blood vessel blocking elastic separating plier of laparoscope
CN204744571U (en) Taking -out forceps for IUD
CN206836930U (en) A kind of concertina type bone hammer of replaceable tup
CN213910459U (en) Novel noninvasive uterus lifting device
CN210962158U (en) Blocking forceps for DVC minimally invasive surgery
CN221083686U (en) Incision protective sleeve
CN112006748B (en) Curved forceps for minimally invasive surgery vagina
CN221083694U (en) Surgical spreader
CN210114479U (en) Laparoscope auxiliary spiral forceps
CN220069808U (en) Extensible multidirectional surgical forceps
CN117503285B (en) Minimally invasive surgical instrument
CN212438764U (en) Laparoscopic surgery pincers with adjustable bend angle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant